将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得:( )

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/04 10:00:24
将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得:()将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得:()将2(x+y)-3(x-

将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得:( )
将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得:( )

将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得:( )
将2(x+y)-3(x-y)-4(x+y)+5(x-y)-3(x-y)合并同类项得:-2(x+y)-(x-y)
也可继续化为:-3x-y