村官行测必考点强化-数学运算【算式等式问题】题 - 村官考试题库

1、已知600)makesmallpic(this,600,1800);\' id=\"aimg_uJZ1j\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/zjyw4yq52su.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，则600)makesmallpic(this,600,1800);\' id=\"aimg_CnL6S\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/xdhl15voimv.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的值为：_____
A: 9B: 8C: 600)makesmallpic(this,600,1800);\' id=\"aimg_iNIS0\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/gm4lwdquajo.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_CWBNi\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/akckxizw3iy.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />
参考答案: C 本题解释:参考答案:C题目详解:原式的倒数为600)makesmallpic(this,600,1800);\' id=\"aimg_O23gb\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/cb515ee2adabeca08d6bcc65e9f65648.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;则原式=600)makesmallpic(this,600,1800);\' id=\"aimg_v7qCw\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/e88c59e752a6dc045149e67fad76b165.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />。所以，选C。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

2、设600)makesmallpic(this,600,1800);\' id=\"aimg_f1ING\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/0eyjmpr1cle.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，那么600)makesmallpic(this,600,1800);\' id=\"aimg_pS9s9\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/yz152qjlifx.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的值是_____。
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_bGHEh\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/0kdn5yamfw2.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_sk038\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/5500gkmchfu.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_iFO4f\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/xk545to0eqj.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_exq43\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/n4w2y5vhz3w.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />
参考答案: B 本题解释:参考答案:B题目详解:根据题意，将600)makesmallpic(this,600,1800);\' id=\"aimg_TC258\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/376d416cd7ca0fbb71c774d957204bf1.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_NEu28\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/4fc10b2d3d2e770ac57d4546815d692c.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />代入，即：600)makesmallpic(this,600,1800);\' id=\"aimg_pQOP0\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/be623dfcc791ca17ed20158f1f057fac.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;所以，选B。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

3、式子600)makesmallpic(this,600,1800);\' id=\"aimg_A6t1I\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/0nfp1zap0hn.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的值为_____。
A: 6B: 8C: 10D: 12
参考答案: B 本题解释:参考答案:B题目详解:原式=600)makesmallpic(this,600,1800);\' id=\"aimg_Vj4RJ\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/251d1be7d186f8779f1c264d9b3b7f96.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />=600)makesmallpic(this,600,1800);\' id=\"aimg_IU2vX\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/f4e8b075006cb975b7c7965bf80a61ef.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_clsgC\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/5a4488fd4cc232401feee77a958b7fcd.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />=600)makesmallpic(this,600,1800);\' id=\"aimg_Bjx8B\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/741a030ddc5c808fac51d5af6b64d28d.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />所以，选B考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

4、600)makesmallpic(this,600,1800);\' id=\"aimg_vsUvS\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/xalgus13dnl.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的值是_____。
A: 210B: 240C: 273D: 284
参考答案: A 本题解释:参考答案:A题目详解:原式=(20×20-19×19)+(18×18-17×17)+…+(2×2-1×1)600)makesmallpic(this,600,1800);\' id=\"aimg_e3TAA\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/1fa6a65801c20015141a036ea098c641.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_HNinK\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/57ff2875d52d1baddeda19b09b4726e5.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

5、600)makesmallpic(this,600,1800);\' id=\"aimg_BN3n1\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/iuqikii30do.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />_____
A: 195200B: 196000C: 210240D: 198000
参考答案: C 本题解释:参考答案:C题目详解:原式=6802-4642-256×144=(680-464)×(680+464)-256×144(平方差公式)=216×1144-256×144=216×(1000+144)-256×144(分配律)=216×1000+216×144-256×144=216000+144×(216-256)=216000-144×40=216000-5760=210240考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

6、两工厂各加工480件产品，甲工厂每天比乙工厂多加工4件，完成任务所需时间比乙工厂少10天。设甲工厂每天加工产品X件，则X满足的方程为_____。
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_YzmmJ\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/mecuh02psf3.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_spi5f\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/eee4ppgko0k.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_qh9AU\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/ary5flkwamu.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_dmbks\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/0wtzlisc1km.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_r5vp7\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/1njkz1e4nb0.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_lTR2F\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/anudnawzzyx.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_BtIpB\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/wtyarczmscm.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_jMzuZ\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/vjad2r4tfuj.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_EIXc7\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/pnpvek5y5j4.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_CSKbh\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/etzshtrlhhz.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_Bvyw6\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/l2q1rirdry1.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_jt84q\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/w35t2gaklyc.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />&#1
参考答案: C 本题解释:参考答案:C题目详解:根据题意，可知：甲完成任务需要600)makesmallpic(this,600,1800);\' id=\"aimg_E0jy3\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/b108ad4519e4e5a5b6e1f4d44ab6ff74.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;乙完成任务需要600)makesmallpic(this,600,1800);\' id=\"aimg_klIBl\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/0fd37f5c7b8c9600f6ce43d8f1a5656f.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />天;所以600)makesmallpic(this,600,1800);\' id=\"aimg_M5bt5\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/361f9c26af0546631d0dcdfde0916214.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />。所以，选C。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

7、(2009.江苏C类)600)makesmallpic(this,600,1800);\' id=\"aimg_MWY5U\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/own3fjuq1t5.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，则600)makesmallpic(this,600,1800);\' id=\"aimg_IiyTs\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/d3ktnq5ik53.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />=_____
A: 14B: 15C: 3D: 1
参考答案: A 本题解释:参考答案:A题目详解:转换等量关系：600)makesmallpic(this,600,1800);\' id=\"aimg_ma80m\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/9a9757c823998eb5dd76c0cda8b19531.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_AZfW5\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/7be68755e9e4fedac445121fb08f52d7.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_Um3TO\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/dd4be0a42f5f6f37a51dd9beb2bea91c.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />600)makesmallpic(this,600,1800);\' id=\"aimg_FQO5q\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/7487dd70f791a0f53fc2c2e1a803ff4a.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />运算：由于600)makesmallpic(this,600,1800);\' id=\"aimg_eH1Bb\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/1fb209375cf39c1fadde3e5e88b85d8e.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_NXPje\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/d47ee37a3b97c49fa5e3e9230378dcec.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_a982Z\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/3179bf81279e6f137c3a1860e242ac17.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，故600)makesmallpic(this,600,1800);\' id=\"aimg_AwL7g\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/dc0d42a1dd6767573caa3e441bab15fa.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_E188o\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/e395a42cda091ae3b3da72a6959ceaed.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_hx090\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/1d89747c0a410d952952a39d2b3c4f7f.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，即600)makesmallpic(this,600,1800);\' id=\"aimg_zyLtc\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/d0ab474740cb748816030cb1ccba457a.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;因此，600)makesmallpic(this,600,1800);\' id=\"aimg_ln5dV\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/58a5698be22347bb0a9e8b0a403e4280.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />。所以，选A。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

8、绝对值为5的数减去10的值为_____
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_pe8yn\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/ov5w4ningaw.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_mk3j4\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/estnq4yr2z3.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_Ncy5D\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/i33tjsa1wue.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_rffl0\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/53odf4u2h0l.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_p7y7Z\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/52hoyu4nuc5.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，15D: 600)makesmallpic(this,600,1800);\' id=\"aimg_KFLdz\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/xl2auyvoohd.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，10
参考答案: A 本题解释:参考答案:A题目详解:正数的绝对值是它本身，负数的绝对值是它的相反数，所以分为两种情况：当这个数为5时，值为600)makesmallpic(this,600,1800);\' id=\"aimg_n1Dw1\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/eeaade6a1d184ebb3c5d12ae08cca8e8.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;当这个数为-5时，值为600)makesmallpic(this,600,1800);\' id=\"aimg_fJO0V\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/e14f45a52eb47a351542d64cb38bf0d2.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;所以，选A。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

9、已知600)makesmallpic(this,600,1800);\' id=\"aimg_JzbZ0\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/o0sjl2n3bzc.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />对任意的非负整数都成立，且f(1)=2，则600)makesmallpic(this,600,1800);\' id=\"aimg_WZhT8\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/cwzo5zddgth.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />_____
A: 4012B: 4013C: 4014D: 4016
参考答案: C 本题解释:参考答案:C题目详解:根据题意有600)makesmallpic(this,600,1800);\' id=\"aimg_ByWzD\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/72c65e7ba1027e0267f242feaf513561.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />即600)makesmallpic(this,600,1800);\' id=\"aimg_t0lWa\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/8978637b2c77155e08fa3c32f94c73f3.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />,故原式=2+2+…+2=2×2007，尾数为4。因此，选C。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

10、已知600)makesmallpic(this,600,1800);\' id=\"aimg_MeW5e\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/5khp0lo0bvn.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，则600)makesmallpic(this,600,1800);\' id=\"aimg_GazfQ\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/cpoq0oduzq0.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />_____
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_V8q9P\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/vizqkw4uinh.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_U6zi6\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/pwnwfc0egxd.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_cUdU1\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/bvrk0pq2y3v.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_s73hq\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/jhmp5m4d0ld.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />
参考答案: B 本题解释:参考答案:B题目详解:由600)makesmallpic(this,600,1800);\' id=\"aimg_PNahn\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/127ffd6334567bd549f0b8f534529b51.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />可知：600)makesmallpic(this,600,1800);\' id=\"aimg_el5P6\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/39b65cbe61ba6ecb6287fb56ce2a7d20.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />=0，600)makesmallpic(this,600,1800);\' id=\"aimg_GRfd7\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/938faa327f141619b1232c81d302f77f.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />=0,即600)makesmallpic(this,600,1800);\' id=\"aimg_STC8S\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/9c68abaecd69718957f69c4320f45748.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_Jwo4d\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/4cfe80a761999dade104159964047a89.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;则原式=600)makesmallpic(this,600,1800);\' id=\"aimg_MwVOB\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/b83b0e9fb45404392328449e7d40a5e3.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />所以，选B。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

11、已知600)makesmallpic(this,600,1800);\' id=\"aimg_a4l1m\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/y202lsklvud.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，且600)makesmallpic(this,600,1800);\' id=\"aimg_We9BV\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/vmbf5nrl5ym.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，那么k的值为：_____
A: 4B: 600)makesmallpic(this,600,1800);\' id=\"aimg_p88Bi\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/jxo3ewazyse.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 一4D: 600)makesmallpic(this,600,1800);\' id=\"aimg_xA11d\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/hgjvqa2003y.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />
参考答案: A 本题解释:参考答案:A题目详解:由600)makesmallpic(this,600,1800);\' id=\"aimg_Ivre2\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/d64d5aeeea6b7ef4b4c0d4b035e3717f.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，得：600)makesmallpic(this,600,1800);\' id=\"aimg_E2oFu\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/36d799758b58a13c397505f4788342ec.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;则：600)makesmallpic(this,600,1800);\' id=\"aimg_EY5zD\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/b18da5f04abe4817a01eb141cf25d150.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />,那么600)makesmallpic(this,600,1800);\' id=\"aimg_i2ziz\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/677e4c8604471ba254960e44b38a9fb7.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />。所以，选A。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

12、已知600)makesmallpic(this,600,1800);\' id=\"aimg_gu643\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/yfd0kuhx5ic.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，那么代数式600)makesmallpic(this,600,1800);\' id=\"aimg_X24uG\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/q2swkfqru1f.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的值：_____
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_zXoHb\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/t0tx1mqd5vg.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_S7ZCg\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/1qqxf4ppajf.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_oc51E\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/am2dfckc4ad.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_t8eDQ\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/norq1vqkr2k.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />
参考答案: B 本题解释:参考答案:B题目详解:原式=600)makesmallpic(this,600,1800);\' id=\"aimg_CYhfP\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/3e5b8d4cd3f272e420002335347dab2f.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;所以，选B。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

13、已知两个数a、b的积是600)makesmallpic(this,600,1800);\' id=\"aimg_i9zXV\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/rzfs02xhwxx.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，和是2，且a>b，则600)makesmallpic(this,600,1800);\' id=\"aimg_a8K62\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/hli53dtgk42.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的值是：_____
A: 3B: 600)makesmallpic(this,600,1800);\' id=\"aimg_mURmD\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/3gm1gjdnykc.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 4D: 600)makesmallpic(this,600,1800);\' id=\"aimg_qsDqk\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/pm2cqnqhxw1.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />
参考答案: A 本题解释:参考答案:A题目详解:解法一：由题意可知：600)makesmallpic(this,600,1800);\' id=\"aimg_V7uiP\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/6488175209278e162240286c88f600ed.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_sUriH\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/46bb430821dfbad2608cae36c3a5281e.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，解得：600)makesmallpic(this,600,1800);\' id=\"aimg_wcfS6\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/5c7423f8f0195cead9827cfd99c2bdf3.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />则：600)makesmallpic(this,600,1800);\' id=\"aimg_n5Qwi\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/b46c3e39c051f858f0bcd606584db931.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />由于600)makesmallpic(this,600,1800);\' id=\"aimg_m2zBl\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/5aa15bb698c43bd9b69b049acad339d2.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，所以：600)makesmallpic(this,600,1800);\' id=\"aimg_sY33p\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/489e7623fe9cec95a0acfd3437aec4df.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_fIl6M\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/25daaa45ea722e5b99bb3e15168bad89.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，所以600)makesmallpic(this,600,1800);\' id=\"aimg_OBznj\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/2a540e39e8220946501ac53014ecf4c8.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />解法二：ab的积乘以600)makesmallpic(this,600,1800);\' id=\"aimg_zVZ74\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/e50ab1f30a524bce3e4c467e6bdf5d82.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />得到a的平方，看下答案，什么数乘以600)makesmallpic(this,600,1800);\' id=\"aimg_uvy2F\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/dbd6b687a2b3792020c2cc77fa0c3cd4.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />得到的结果是可以开平方的。判断得到是A600)makesmallpic(this,600,1800);\' id=\"aimg_hJyaa\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/0f1db2288a26f61964132871d09cc3a9.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />是a=600)makesmallpic(this,600,1800);\' id=\"aimg_OUQCp\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/b4626aa61bed93adcc647398ee8262f7.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的平方，省略了计算，也可验证600)makesmallpic(this,600,1800);\' id=\"aimg_cb4F0\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/9efdea00f1d70c91f098d90b60408766.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_Q8BRz\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/41051a2c4d1c5a5010d70d751c642c39.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，符合题目要求。(该解析由用户“小爱行测加油”于2011-03-0613:24:15贡献，感谢感谢!)考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

14、有600)makesmallpic(this,600,1800);\' id=\"aimg_qUv7F\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/kngammzhxxb.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />三个正整数，已知600)makesmallpic(this,600,1800);\' id=\"aimg_R7DH7\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/kb4elfpotxm.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_QQboz\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/glvsbbwxudr.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_V7M50\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/445tctutqvt.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，求600)makesmallpic(this,600,1800);\' id=\"aimg_qo8ZX\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/rwwxfmgahqa.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />_ ____。
A: 23B: 21C: 19D: 17
参考答案: C 本题解释:参考答案:C题目详解:根据题意，可知：600)makesmallpic(this,600,1800);\' id=\"aimg_cv6ts\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/37a03e2c4234346f471624a87fa20737.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />,解得600)makesmallpic(this,600,1800);\' id=\"aimg_RyOL3\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/14f7c2fe3d1b8374531f4141ae7faca6.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />;因为600)makesmallpic(this,600,1800);\' id=\"aimg_dY1dn\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/b0568914b8e02301e8da7a3b064e5a2c.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />为正整数，则600)makesmallpic(this,600,1800);\' id=\"aimg_e44qE\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/bff72d6520aaf757296aeceed3e28a9d.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_F6Es3\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/7aaecf2c7da8d36141d4e2aab2c60e1e.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，600)makesmallpic(this,600,1800);\' id=\"aimg_cwFw8\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/3a57cf323cd4c8dec3903d37a1e0756c.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，故600)makesmallpic(this,600,1800);\' id=\"aimg_z8JcJ\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/bd6e5e80431ffcbfcad10e5faeb7dd2e.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />。所以，选C。考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题

15、已知600)makesmallpic(this,600,1800);\' id=\"aimg_h309S\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/ykt3ptvllkg.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />，则600)makesmallpic(this,600,1800);\' id=\"aimg_dDEFt\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/hjxoh1qhk5m.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />的值是_____
A: 600)makesmallpic(this,600,1800);\' id=\"aimg_Tx819\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/5dha3pw3xmf.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />B: 600)makesmallpic(this,600,1800);\' id=\"aimg_V89c2\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/g5yjmucj02u.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />C: 600)makesmallpic(this,600,1800);\' id=\"aimg_lzVt1\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/zrmbtj5cdh2.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />D: 600)makesmallpic(this,600,1800);\' id=\"aimg_Tdf4O\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/20160515/iimrnur0fmd.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />
参考答案: D 本题解释:参考答案600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/biggrin.gif\" smilieid=\"3\" border=\"0\" alt=\"\" />题目详解:观察可知14.84是7.42的2倍，则原式整理为600)makesmallpic(this,600,1800);\' id=\"aimg_TzpOW\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/3b2b1e03b3e3325ec876df96a6a9d82d.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />则600)makesmallpic(this,600,1800);\' id=\"aimg_afKZ1\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/e9a7c9698741699aee786e50d0962540.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />解得600)makesmallpic(this,600,1800);\' id=\"aimg_M8SN2\" onclick=\"zoom(this, this.src, 0, 0, 0)\" class=\"zoom\" src=\"http://www_php168_com/91files/02e5dc97504ed9c458cf73605982323f.png\" onmouseover=\"img_onmouseoverfunc(this)\" onload=\"thumbImg(this)\" border=\"0\" alt=\"\" />。所以，选D考查点:数量关系>数学运算>计算问题之算式计算>算式等式问题