x2 |
4 |
x2 |
4 |
AD |
AC |
|
|
|
1 |
2 |
2
| ||
3 |
2 |
2 |
x22 |
4 |
y1 |
x1+2 |
y2 |
x2+2 |
y1 |
x1-2 |
y2 |
x2-1 |
y1 |
x1-2 |
y2 |
x2-1 |
y1 |
x1-2 |
y1 |
x1+2 |
y2 |
x2-1 |
y2 |
x2+2 |
y12 |
x12-4 |
y22 |
(x2-1)(x2+2) |
x22 |
4 |
1-
| ||
(x2-1)(x2+2) |
4(1-x2) |
2-x2 |
1 |
2-x2 |
x2 |
a2 |
y2 |
b2 |
1 |
2 |
3 |
MP |
MQ |
x2 |
4 |
y2 |
2 |
x2 |
a2 |
y2 |
b2 |
1 |
2 |
3 |
x2 |
4 |
y2 |
3 |
AP |
1 |
3 |
AD |
2 |
3 |
AC |
© 2017-2019 超级试练试题库,All Rights Reserved.