classic vibe tele50s:初2数学.....分解因式...

来源:百度文库 编辑:高校问答 时间:2024/04/25 17:40:45
a(x-3)+2b(x-3)=(x-3)(a+2b) a(x-t)+(b(y-x)=a(x-y)-b(x-y)=(x-y)(a-b) 么意思啊??教教我啊

a(x-t)+(b(y-x)=a(x-y)-b(x-y)=(x-y)(a-b)这是式子你打错了...应该是a(x-y)+(b(y-x)=a(x-y)-b(x-y)=(x-y)(a-b)

你可以加Q420197028,我教你,这都是提取公因式