打开App
360P
七年级数学：降幂代入法，已知x²-x-1=o，求-x³+2x²+2011的值
七年级数学：降幂代入法，已知x²-x-1=o，求-x³+2x²+2011的值？
初中数学，幂的运算，幂的大小比较，基础训练，培优专题92/191
App02:16
App03:04
App02:42
App02:02
App01:48
App02:23
App02:11
App01:41
App02:42
App01:54
App03:51
App02:22
App01:37
App02:41
App02:29
App02:39
App02:45
App03:12
App03:06
App02:31
App02:17
App05:13
App02:19
App02:02
App02:13
App03:23
App02:56
App02:27
App02:02
App01:51
App01:46打开App观看
