下面有三组数 -2,4,-8,16,-32. -4,8,-16,32,-64. -4,2,-10,14,-34..(1)计算各组数中第八个数的和
问题描述:
下面有三组数 -2,4,-8,16,-32. -4,8,-16,32,-64. -4,2,-10,14,-34..
(1)计算各组数中第八个数的和
答
即256+(-512)+322=66