化简(a-2)*(a^2-4⼀a^2-4a+4)=

2025-06-27 23:08:01
推荐回答(1个)
回答1:

(a-2)*(a^2-4/a^2-4a+4)
=(a-2)(a-2)(a+2)/(a-2)²
=a+2