2 |
| ||
2 |
|
| ||
|
|
|
| ||
|
|
x2 |
a2 |
y2 |
b2 |
2 |
| ||
2 |
|
| ||
2 |
x2 |
8 |
y2 |
2 |
|
| ||
|
|
|
| ||
|
|
2-
| ||
|
2+
| ||
|
2 |
16k |
1+4k2 |
8 |
1+4k2 |
|
| ||
|
|
|
| ||
|
|
0-x1 |
x1-x0 |
0-x2 |
x0-x2 |
1 |
k |
1 |
k |
2 |
2-y1 |
y1-1 |
1-y1+1 |
y1-1 |
1 |
y1-1 |
2 |
1 |
y1-1 |
2 |
2 |
2 |
3 |
A.
| B.
| C.
| D.
|
x2 |
a |
A.
| B.
| C.3 | D.9 |
A.3
| B.2
| C.
| D.
|
x2 |
a2 |
y2 |
b2 |
A.(0,
| B.(
| C.(1,
| D.(
|
y2 |
b2 |
A.(1,
| B.(-1,0)∪(0,1) | C.(0,1) | D.(1,+∞) |
© 2017-2019 超级试练试题库,All Rights Reserved.