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时间:2012-05-06 17:29:40
1 5,12,24,36,52,( )
A 58 B62 C 68 D 72
2 3 ,57,17,59.( )
A 77 B 89 C 329 D501
3 16,25,36,50,81,100,169,200,(C )
A 289 B225 C324 D 441
4 1 ,4,4,7,10,16,25,( )
A 36 B49 C 40 D 42
5 7/3 ,21/5 ,49/8 ,131/13, 337/21 ( )
A 885/34 B887/34 C 887/33 889/31
6 9, 0 ,16,9, 27,( )
A 36 B 49 C 64 D 22
7 1, 1, 2 ,6, 15 ( C)
A21 B 24 C 31 D 40
8 4,12,16,32,64,( D)
A 80 B 256 C160 D 128
1题.
5,12,24,36,52,( )
2*5+2
4*5+4
6*5+2*3
8*5+4*3
10*5+2*3*3
我选 68
思路2解析:
2 3 5 7 11 13 17 19 23 29 31 37
每两项为一组 就会得出答案!!!我选择68
2题
3题 16,25,36,50,81,100,169,200,(C )
A 289 B225 C324 D 441
16 36 81 169 ?
4 6 9 13 的平方 18的平方 2 3 4 5等差
25 50 100 200 后项是前项的2倍
4 题 1 ,4,4,7,10,16,25,( )
A 36 B49 C 40 D 42
1+4-1
4+4-1
4+7-1
7+10-1
10+16-1
16+25-1
选C40