| ||
2 |
x2 |
a2 |
y2 |
b2 |
d | 21 |
d | 22 |
MA |
MC |
MB |
MD |
c |
a |
| ||
2 |
|
3 |
x2 |
4 |
| ||
4 |
y | 20 |
1 |
3 |
16 |
3 |
1 |
3 |
d | 21 |
d | 22 |
16 |
3 |
4
| ||
3 |
1 |
3 |
|
2k |
k2+1 |
1-k2 |
1+k2 |
2k |
k2+1 |
1-k2 |
1+k2 |
|
8k |
4k2+1 |
1-4k2 |
1+4k2 |
8k |
4k2+1 |
1-4k2 |
1+4k2 |
1 |
k |
2k |
k2+1 |
k2-1 |
k2+1 |
8k |
k2+4 |
k2-4 |
k2+4 |
MA |
2k |
k2+1 |
-2k2 |
1+k2 |
MC |
-8k |
4k2+1 |
-8k2 |
4k2+1 |
MB |
2k |
k2+1 |
-2 |
k2+1 |
MD |
8k |
k2+4 |
-8 |
k2+4 |
MA• |
MC |
MB |
MD |
2k |
k2+1 |
8k |
4k2+1 |
2k2 |
1+k2 |
8k2 |
1+4k2 |
2k |
k2+1 |
8k |
k2+4 |
2 |
k2+1 |
8 |
k2+4 |
3k2 |
1+4k2 |
4 |
k2+4 |
2 |
2 |
| ||
2 |
2 |
| ||
2 |
x2 |
a2 |
y2 |
b2 |
| ||
3 |
x2 |
3 |
y2 |
2 |
| ||
2 |
| ||
2 |
1 |
|PA| |
1 |
|PB| |
© 2017-2019 超级试练试题库,All Rights Reserved.