一个问题!谢谢了!

(x-y)-4(2x-3xy)=?写出过程!
2025-12-15 23:13:03
推荐回答(4个)
回答1:

(x-y)-4(2x-3xy)=x-y-8x+12xy=12xy-7x-y

回答2:

(x-y)-4(2x-3xy)
=x-y-8x+12xy
12xy-7x-y

回答3:

x-y-8x+12xy=12xy-7x-y

回答4:

=x-y-8x+12xy=12xy-7x-y