A.1442
B.1523
C.1614
D.467
[单选题]2 5 11 23 47 ( )A.18 B.91 C.95 D.105
[单选题]2,5,11,23,47,( )
[单选题]2,5,11,23,47,( )A.71B.67C.97D.95
[单选题]定义新运算:3△2=3+33=36,2△3=2+22+222=246,1△4=1+11+111+1111=1234。则8△6的值为( )。A.886
[单选题]11,11,13,21,47,( )A.125B.126C.127D.128
[单选题]11,11,13,21,47,()A.125B.126C.127D.128
[单选题]请在括号中填入合适的数字2,5,11,(),47A . 20B . 23C . 25
[单选题]3 2 11 14 ( )A. 17B. 19C. 24D. 27
[单选题]2,1,3,10,24,47,()A.81B.185C.259D.370
[单选题]3,2,11,14,( )A.17 B.19 C.24 D.27