数字推理训练真题答案

1,2,2,4,(

),32

a.4.b.6

c.8

D.16解析:满足递归A * B = c 1 * 2 = 22 * 2 = 42 * 4 = 84 * 8 = 32,故答案为C7,7,9,17,43,(

)

a.117

119

c.121

D.123作差0,2,8,26,80。

加上1后,就是:1,3,9,27,81。

等比例所以答案是43+80=123。