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数学
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解方程:(-5)+m/2-1=-2/7+m(求m的值~)
人气:107 ℃ 时间:2020-05-08 02:36:17
解答
(-5)+m/2-1=-2/7+m
-6+(m/2)=(-2/7)+m
(1/2)m=-40/7
m=-80/7
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