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X-5+x-7+x-8=2x
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计算过程如下:X-5+x-7+x-8=2x(x+x+x)-(5+7+8) = 2x3x-20 = 2x3x-2x = 20x = 20
咨询记录 · 回答于2023-03-13
X-5+x-7+x-8=2x
等你答案
X-5+x-7+x-8=2x
计算过程如下:X-5+x-7+x-8=2x(x+x+x)-(5+7+8) = 2x3x-20 = 2x3x-2x = 20x = 20