> 数学 >
4x(x-y)²-12(y-x)³
人气:330 ℃ 时间:2020-06-12 06:13:14
解答
4x(x-y)²-12(y-x)³
=4x(x-y)²+12(x-y)³
=(x-y)²(4x+12x-12y)
=(x-y)²(16x-12y)
=4(x-y)²(4x-3y)
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版