这道题怎么解?急!急!急!

2024-12-26 23:06:28
推荐回答(4个)
回答1:

原式=xy(2x-2y)+xy(3x-1)
=xy(5x-2y-1)

回答2:

2x^2y-2xy^2+3x^2y-xy
=5x^2y-2xy^2-xy
=xy(5x-2y-1)

回答3:

=5x²y-3xy=xy(5x-3)

回答4:


望采纳