来自胡鸿豪的问题
1.124,3612,51020,()A.7084;B.71428;C.81632;D.918362.87,57,36,19,(),1A.17;B.18;C.16;D.10
1.124,3612,51020,()A.7084;B.71428;C.81632;D.91836
2.87,57,36,19,(),1A.17;B.18;C.16;D.10


1.124,3612,51020,()A.7084;B.71428;C.81632;D.918362.87,57,36,19,(),1A.17;B.18;C.16;D.10
1.124,3612,51020,()A.7084;B.71428;C.81632;D.91836
2.87,57,36,19,(),1A.17;B.18;C.16;D.10
1.124,3612,51020,(B)A.7084;B.71428;C.81632;D.91836
这题是数字组合题
1*2=22*2=4组成124
3*2=66*2=12组成3612
5*2=1010*2=20组成51020
看出第一个数递增2
所以下个头数为7
7*2=1414*2=28组出71428
2.87,57,36,19,(D),1A.17;B.18;C.16;D.10
878*7=5656+1=57
575*7=3535+1=36
363*6=1818+1=19
191*9=99+1=10
101*0=00+1=1
全是把两个数拆开乘起来再加一