3x-k≤0
3x≤k
x≤k/3
正整数解是1,2,3
3≤k/3
不等式3X-K小于等于0的正整数解是1,2,3,那么K的取植范围是多少?
不等式3X-K小于等于0的正整数解是1,2,3,那么K的取植范围是多少?
数学人气:831 ℃时间:2020-02-03 12:03:04
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