1 |
x |
A.y1<0<y2 | B.y2<0<y1 | C.y1<y2<0 | D.y2<y1<0 |
1 |
x |
1 |
2 |
3 |
x |
A.(3,-1) | B.(1,3) | C.(-3,1) | D.(-
|
2 |
3 |
6 |
x |
A.(-3,-2) | B.(-3,2) | C.(-2,-3) | D.(2,3) |
6 |
x |
A.2 | B.-2 | C.3 | D.-3 |
1 |
x |
A.y2<y1<0 | B.y1<y2<0 | C.y2>y1>0 | D.y1>y2>0 |
6 |
x |
A.
| B.3 | C.±
| D.±3 |
© 2017-2019 超级试练试题库,All Rights Reserved.