化简:5(x-y)+2(x-y)-3(x-y).
题型:解答题难度:一般来源:不详
化简:5(x-y)+2(x-y)-3(x-y). |
答案
5(x-y)+2(x-y)-3(x-y) =5x-5y+2x-2y-3x+3y =4x-4y. |
举一反三
化简:(8x-7y)-(4x-5y)的结果是( )A.4x-12y | B.4x-2y | C.12x-12y | D.12x-2y |
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