下面有三组数 -2,4,-8,16,-32. -4,8,-16,32,-64. -4,2,-10,14,-34..
下面有三组数 -2,4,-8,16,-32. -4,8,-16,32,-64. -4,2,-10,14,-34..
观察下面三行数第一行:2 -4 8 -16 32 -64.
观察下面一列数:-2,4,-8,16,-32,64.请写出其第100个数
下面有三组数:①-2,4,-8,16,-32,…… ②-4,8,-16,32,-64,…… ③-4,2,-10,14,-
观察下面三行数:2,-4,8,-16,32,-64,...;① 4,-2,10,-14,34,-62...;②
观察下面三行数 (1),2,-4,8,-16,32,-64.(2) 4,-2,10,-14,34,-62...(3)1,
观察下面一列数-2,4,-8,16,-32.第51个数是( )
观察下面三行数:(1)-2,4,-8,16,-32,64.(2)0,6,-6,18,-30,66.
观察下面三行数:①-2,4,-8,16,-32,64……
观察下面一列数:-2,4,-8,16,-32,64,.第2011个数是什么
观察下面一列数:1,-2,4,-8,16,-32,64,.第2011个数是什么
下面有三组数:①-2,4,-8,16,-32,… ②-4,8,-16,32,-64,… ③0,2,6,14,30,…(1