当m = 时 代数式3m+5分之3的值是-1
人气:156 ℃ 时间:2019-10-19 12:00:26
解答
3m+5分之3=-1
3m=-5分之8
m=-15分之8
(3m+5)分之3=-1 (3m+5)是分母时,
3m+5=-3
3m=-8
m=-3分之8
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