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求既满足不等式5x-2>3(x+1)又满足不等式1/2x-1<=7-3/2x的正整数解
人气:394 ℃ 时间:2020-04-10 21:00:00
解答
5x-2>3(x+1) 1/2x-13x+3 1/2x+3/2x≤7+1
2x>5 2x≤8
x>5/2 x≤4
∴ 既满足不等式5x-2>3(x+1)又满足不等式1/2x-1
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