观察下面三行数:①-2,4,-8,16,-32,64……
观察下面三行数:①-2,4,-8,16,-32,64……
有理数的乘方 找规律观察下面三行数:-2,4,-8,16,-32,64…… ①0,6,-6,18,-30,66…… ②-
观察下面三行数:-2,4,-8,16,-32,64 …①0,6,-6,18,-30,66…②-1,2,-4,8
观察下面三行数① 2,-4,8,-16,32,-64…;② 3,-3,9,-15,33,-63,…;③1,
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,-2,4,-8,16,-32,64……0,6,-6,18,-30,66……-1,2,-4,8,-16,3
观察下面三行数1,-2,4,-8,16,-32 …①0,-6,6,-18,30,-66 …②2,-4
观察下面三行数第一行:2 -4 8 -16 32 -64.
观察下面三行数:(1) -1,2,-4,8,-16,32 ...(2) -2,4,-8,16,-32,64 ...(3)
观察下面三行数:①1,4,9,16,25,…②0,3,8,15,24,…
观察下面三行数:2,-4,8,-16,32,-64,...(1)0,-6,6,-18,30,-66,...(2)1,-2
观察下面三行数2 -4 8 -16 32 -64,...:①4 -2 10 -14 34 -62,.:②1 -2 4 -