[a c]-[a] [b]化简怎么算
问题描述:
[a c]-[a] [b]化简怎么算
答
[a c]-[a] [b]
=ac-ab
=a(c-b)
[a c]-[a] [b]化简怎么算
[a c]-[a] [b]
=ac-ab
=a(c-b)