1 |
3 |
2 |
3 |
1 |
2 |
1 |
2 |
2 |
3 |
1 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
1 |
2 |
1 |
2 |
A.m-2>n-2 | B.3-m>3-n | C.m+3>n+3 | D.
|
2+y |
4 |
2y-1 |
7 |
A.7(2+y)>4(2y-1) | B.14+7y>8y-4 |
C.7y-8y>-4-14 | D.y>18 |
A.由x-5>0,得x>5 | B.由
| ||||
C.由-3x>-9,得x>3 | D.由-
|
A.①② | B.①③ | C.①④ | D.②③ |
A.
| B.
| C.
| D.0<
|
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