的解集是( ) | A | x>2 |
| B | x<5 |
| C | 2<x<5 |
| D | 无解 |
无解,那么m的取值范围是( ) | A | m>2 |
| B | m<2 |
| C | m≥2 |
| D | m≤2 |
| A | 0≤5x+12-8(x-1)<8 |
| B | 0<5x+12-8(x-1)≤8 |
| C | 1≤5x+12-8(x-1)<8 |
| D | 1<5x+12-8(x-1)≤8 |
| A | 2 |
| B | 3 |
| C | 4 |
| D | 5 |
| A | -4<a<-3 |
| B | -4≤a≤-3 |
| C | -4≤a<-3 |
| D | -4<a≤-3 |