来自黄瀚敏的问题
x^2-(y+z)^2因式分解...........
x^2-(y+z)^2因式分解
...........
1回答
2020-01-16 11:22
x^2-(y+z)^2因式分解...........
x^2-(y+z)^2因式分解
...........
x^2-(y+z)^2
=【x+(y+z)】【x-(y+z)】
=(x+y+z)(x-y-z)