m-2(3-2n) 去括号合并同类项,还有3题.x-3(4-2m)(8a-7b)-(4a-5b)-(5x+y)-3(2x-3y)
问题描述:
m-2(3-2n) 去括号合并同类项,还有3题.
x-3(4-2m)
(8a-7b)-(4a-5b)
-(5x+y)-3(2x-3y)
答
m-2(3-2n) 去括号合并同类项,还有3题.
x-3(4-2m)
(8a-7b)-(4a-5b)
-(5x+y)-3(2x-3y)