求救..分组分解法的数学题(1)2am-an+2m-n (2)mx+nx-my-ny(3)ax-3bx+ay-3by (4)xy-1+x-y(5)2ax-10ay+5by-bx (6)5ax+6by+5ay+6bx
问题描述:
求救..分组分解法的数学题
(1)2am-an+2m-n (2)mx+nx-my-ny
(3)ax-3bx+ay-3by (4)xy-1+x-y
(5)2ax-10ay+5by-bx (6)5ax+6by+5ay+6bx
答
1.(2m-n)(a+1)
2.(m+n)(x-y)
3.(3b+a)(x+y)
4.(x-1)(y+1)
5.(2a-b)(x-5y)
6.(5a+6b)(x+y)
同学,要好好把因式分解熟悉呀!