不等式3x-3m≤-2m的正整数解为1,2,3,4,则m的取值范围是 ______
人气:243 ℃ 时间:2020-05-18 06:05:52
解答
不等式3x-3m≤-2m的解集为x≤
m,
∵正整数解为1,2,3,4,
∴m的取值范围是4≤
m<5,即12≤m<15.
故答案为:12≤m<15.
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