题目内容
化简:[12(x+y)3(y-x)]3÷[4(x+y)2(x-y)]2
[12(x+y)3(y-x)]3÷[4(x+y)2(x-y)]2,
=123(x+y)9(y-x)3÷[16(x+y)4(x-y)2],
=-108(x+y)5(x-y).
=108(x+y)5(y-x).
=123(x+y)9(y-x)3÷[16(x+y)4(x-y)2],
=-108(x+y)5(x-y).
=108(x+y)5(y-x).
练习册系列答案
相关题目
化简:
=( )
| 1 | ||
|
A、
| ||
B、
| ||
C、-
| ||
D、-
|