有几个数字推理题,希望有人帮我解答!157,65,27,11,5,() A4 B3 C2 D1 1,2/3,5/8,13/21() A21/33 B35/64 C41/70 D34/5514,20,54,76() A104 B116 C126 D1441,32,81,64,25,()1 A5 B6 C10 D122,3,13,175() A30625 B30651 C30759 D30952 3,7,16,107() A1707 B1704 C1086 D1072

问题描述:

有几个数字推理题,希望有人帮我解答!
157,65,27,11,5,() A4 B3 C2 D1
1,2/3,5/8,13/21() A21/33 B35/64 C41/70 D34/55
14,20,54,76() A104 B116 C126 D144
1,32,81,64,25,()1 A5 B6 C10 D12
2,3,13,175() A30625 B30651 C30759 D30952
3,7,16,107() A1707 B1704 C1086 D1072

(1)选D 每个数字与前个数字的差为92,38,16,6; 它们之间的差又为54(2*27),22(2*11),10(2*5),类推下一个数字为1.(2)选D (1+5)/(1+8)=2/3,(2+13)/(3+21)=5/8,依此类推(5+34)/(8+55)=13/21,所以答案为34/55(3)选C...