5,17,37,65,( ),145.A.99 B.100 C.101 D.102
问题描述:
5,17,37,65,( ),145.A.99 B.100 C.101 D.102
答
2*2+1=5
4*4+1= 7
6*6+1=37
8*8+1=65
12*12+1=145
2+2=4
4+2=6
6+2=8
8+2=10
10*10+1=101
所以应选C,101