1 |
x |
1 |
x |
1 |
-2 |
1 |
2 |
1 |
2 |
m2+2m-1 |
x |
A.(2,6) | B.(2,-6) | C.(4,-3) | D.(3,-4) |
2 |
x |
A.(2,1) | B.(
| C.(-2,-1) | D.(-1,2) |
A.(-3,2) | B.(3,2) | C.(2,3) | D.(6,1) |
1 |
x |
A.y1>y2>y3 | B.y1>y3>y2 | C.y3>y1>y2 | D.y2>y3>y1 |
k |
x |
A.(3,0) | B.(0,6) | C.(-1.25,8) | D.(-1.5,4) |
© 2017-2019 超级试练试题库,All Rights Reserved.