观察下面三行数:-2,4,-8,16,-62,64 …① 0,6,-6,18,-30,66…② -1,2,-4,8,-1
观察下面三行数:-2,4,-8,16,-62,64 …① 0,6,-6,18,-30,66…② -1,2,-4,8,-16,32…③
观察下面三行数:
-2,4,-8,16,-62,64 …①
0,6,-6,18,-30,66…②
-1,2,-4,8,-16,32…③
(1)第①行数按什么规律排列?
(2)第②③行数与第①行数有什么关系?
(3)取每行数的第十个数,计算这三个数的和.