(m³-n³)²-(m³+n³)(m³-n³)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 07:47:05
![(m³-n³)²-(m³+n³)(m³-n³)](/uploads/image/z/3033029-29-9.jpg?t=%EF%BC%88m%26%23179%3B-n%26%23179%3B%29%26%23178%3B-%28m%26%23179%3B%2Bn%26%23179%3B%29%28m%26%23179%3B-n%26%23179%3B%29)
x){#WMZ7Bk(k]
6L\]MR>e@ƙk@>H!d"@U@?$ف BT
(m³-n³)²-(m³+n³)(m³-n³)
(m³-n³)²-(m³+n³)(m³-n³)
(m³-n³)²-(m³+n³)(m³-n³)
(m³-n³)²-(m³+n³)(m³-n³)
=m^6-2m^3n^3+n^6-m^6+n^6
=2n^6-2m^3n^3
=2n^3(1-m^3)