问题
解答题
化简:[12(x+y)3(y-x)]3÷[4(x+y)2(x-y)]2
答案
[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).
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).