去括号合并同类项a-(2x-2)m-2(3-2n)a-{b+(c-d)}-(5x+y)-3X(2x-3y)x-2(4x-2m)2a+(x-y)-2(a+b)-(x+y)

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去括号合并同类项a-(2x-2)m-2(3-2n)a-{b+(c-d)}-(5x+y)-3X(2x-3y)x-2(4x-2m)2a+(x-y)-2(a+b)-(x+y)去括号合并同类项a-(2x-2)

去括号合并同类项a-(2x-2)m-2(3-2n)a-{b+(c-d)}-(5x+y)-3X(2x-3y)x-2(4x-2m)2a+(x-y)-2(a+b)-(x+y)
去括号合并同类项
a-(2x-2)
m-2(3-2n)
a-{b+(c-d)}
-(5x+y)-3X(2x-3y)
x-2(4x-2m)
2a+(x-y)-2(a+b)-(x+y)

去括号合并同类项a-(2x-2)m-2(3-2n)a-{b+(c-d)}-(5x+y)-3X(2x-3y)x-2(4x-2m)2a+(x-y)-2(a+b)-(x+y)
(1)a-2x+2
(2)m-6+4n
(3)a-b-c+d
(4)-5x-y-6x平方+9xy(不知道平方怎么打.)
(5)-2y-2b