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数学
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解不等式组
6x+15>2(4x+3)
2x-1
3
≥
1
2
x-
2
3
.
人气:140 ℃ 时间:2019-11-17 01:35:04
解答
6x+15>2(4x+3)①
2x-1
3
≥
1
2
x-
2
3
②
,
由①得:x<
9
2
,
由②得:x≥-2,
故不等式组的解集为:-2≤x<
9
2
.
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