摘要:1.解下列不等式或不等式组:
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解下列不等式或不等式组:
(1)2(x+1)+
≥
x-1
(2)4(x-5)<x2-5x+3-(x2-8x)
(3)
.
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(1)2(x+1)+
| x-2 |
| 3 |
| 7 |
| 2 |
(2)4(x-5)<x2-5x+3-(x2-8x)
(3)
|