6 |
x |
A.(1,-6) | B.(2,4) | C.(3,-2) | D.(2,3) |
6 |
x |
k2 |
x |
A.k1与k2互为倒数 | B.k1与k2同号 |
C.k1与k2互为相反数 | D.k1与k2异号 |
k |
x |
A.10 | B.-10 | C.-7 | D.7 |
2 |
x |
A.y3>y2>y1 | B.y3<y2<y1 | C.y3<y1<y2 | D.y3>y1>y2 |
k |
x |
A.y1<y2<0 | B.y1<0<y2 | C.y1>y2>0 | D.y1>0>y2 |
k+1 |
x |
© 2017-2019 超级试练试题库,All Rights Reserved.