3 |
| ||
4 |
| ||
2 |
1 |
2 |
y2 |
a2 |
x2 |
b2 |
3 |
3 |
3 |
3 |
(-
|
(-
|
y2 |
4 |
y2 |
a2 |
x2 |
b2 |
|
|
|
y2 |
4 |
x1+x2 |
2 |
1 |
2 |
y1+y2 |
2 |
y12 |
4 |
y22 |
4 |
y12-y22 |
4 |
y1-y2 |
x1-x2 |
-(x1+x2) | ||
|
-1 | ||
|
|
2 |
2 |
2 |
m |
4 |
| ||
2 |
2 |
| ||
2 |
2 |
1 |
2 |
|
1 |
4 |
k2-2k |
k2+4 |
1 |
2 |
F′F |
FP |
F′F |
F′P |
AB |
CD |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
| ||
2 |
m |
n |
A.
| B.
| C.
| D.
|
1-x2 |
A.[1,
| B.[1,
| C.(
| D.(0,
|
© 2017-2019 超级试练试题库,All Rights Reserved.