| 4x-1.5 |
| 0.5 |
| 5x-0.8 |
| 0.2 |
| 1.2-x |
| 0.1 |
| 1 |
| 2 |
| 4x-1.5 |
| 0.5 |
| 5x-0.8 |
| 0.2 |
| 1.2-x |
| 0.1 |
2×(4x-1.5)-5×(5x-0.8)≤10×(1.2-x),
8x-3-25x+4≤12-10x,
7x≥-11,
x≥-
| 11 |
| 7 |
答:解集是{x|x≥-
| 11 |
| 7 |
(2)因为|2a-1|≤
| 1 |
| 2 |
所以
|
解得
| 1 |
| 4 |
| 3 |
| 4 |
所以解集是{a|
| 1 |
| 4 |
| 3 |
| 4 |
故答案为:{x|x≥-
| 11 |
| 7 |
| 1 |
| 4 |
| 3 |
| 4 |
编辑:chaxungu时间:2026-04-27 13:42:04分类:小学数学题库
| 4x-1.5 |
| 0.5 |
| 5x-0.8 |
| 0.2 |
| 1.2-x |
| 0.1 |
| 1 |
| 2 |
| 4x-1.5 |
| 0.5 |
| 5x-0.8 |
| 0.2 |
| 1.2-x |
| 0.1 |
| 11 |
| 7 |
| 11 |
| 7 |
| 1 |
| 2 |
|
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
| 11 |
| 7 |
| 1 |
| 4 |
| 3 |
| 4 |
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