1 |
x1 |
1 |
x2 |
k |
2 |
2 |
k |
|
k2 |
4 |
k2 |
4 |
1 |
x1 |
1 |
x2 |
1 |
x1x2 |
x12+x22 |
x1x2 |
k2-1 |
u |
k2-1 |
u |
k2-1 |
u |
k2 |
4 |
k2 |
4 |
k2-1 |
u |
k2 |
4 |
k2 |
4 |
k2-1 | ||
|
k |
2 |
2 |
k |
1 |
x1 |
1 |
x2 |
k |
2 |
2 |
k |
k2-1 |
u2 |
1-k2 |
1-k2 |
1-k2 |
1-k2 |
1-k2 |
k2 |
4 |
k2 |
4 |
1-k2 |
k2 |
4 |
|
|
x-1 |
π |
2 |
A.y=x2-1 | B.y=x3+x | C.y=2x | D.y=log3x |
© 2017-2019 超级试练试题库,All Rights Reserved.