1.1,1,2,2,3,4,3,5,( ) A.7 B.6 C.5 D.42.5,5,14,38,87,( ) A.167 B.168.C.169 D.170

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1.1,1,2,2,3,4,3,5,()A.7B.6C.5D.42.5,5,14,38,87,()A.167B.168.C.169D.1701.1,1,2,2,3,4,3,5,()A.7B.6C.5D

1.1,1,2,2,3,4,3,5,( ) A.7 B.6 C.5 D.42.5,5,14,38,87,( ) A.167 B.168.C.169 D.170
1.1,1,2,2,3,4,3,5,( ) A.7 B.6 C.5 D.42.5,5,14,38,87,( ) A.167 B.168.C.169 D.170

1.1,1,2,2,3,4,3,5,( ) A.7 B.6 C.5 D.42.5,5,14,38,87,( ) A.167 B.168.C.169 D.170
一B.二A.第一题别人说的很清楚了.第二题思路如下:5,5,14,38,87其之间差值为0,9,24,49规律:1*2-1,3*,5*-1,7*,9*-1可得出最后两个数差值为8080+87=167"