游戏王特殊召唤:初一数学题 急!!!

来源:百度文库 编辑:高校问答 时间:2024/07/08 15:25:58
5a^2b(x-y)^3-30ab^2(y-x)^2

5a^2b(x-y)^3-30ab^2(y-x)^2
=5ab(y-x)^2(ax-ay-6b)

5a^2b(x-y)^3-30ab^2(y-x)^2
=5ab(x-y)^2[a(x-y)-6b]
=5ab(x-y)^2(ax-ay-6b)

5a^2b(x-y)^3-30ab^2(y-x)^2
=5ab(x-y)^2[a(x-y)-6b]
=5ab(x-y)^2(ax-ay-6b)