题目内容
已知2+ =22× ,3+ =32× ,4+ =42× ,...,10+ =102× (a,b为正数),则a+b=( )A.100 B.108 C.109 D.119 |
试题答案
C
相关题目
题目内容
已知2+ =22× ,3+ =32× ,4+ =42× ,...,10+ =102× (a,b为正数),则a+b=( )A.100 B.108 C.109 D.119 |
试题答案
C