> 数学 >
计算 (x+y)(x-y)(x²+y²)(x四次方+y四次方)
人气:235 ℃ 时间:2020-03-27 07:23:47
解答
(x+y)(x-y)(x²+y²)(x四次方+y四次方)
=(x²-y²)(x²+y²)(x四次方+y四次方)
=(x四次方-y四次方)(x四次方+y四次方)
=x^8-y^8
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版