m |
n |
| ||
2 |
| ||
2 |
m |
n |
m |
n |
m |
n |
3 |
5 |
3π |
4 |
m |
n |
m |
n |
m |
n |
m |
n |
m |
n |
m |
n |
2 |
m |
n |
| ||
2 |
| ||
2 |
π |
4 |
3 |
5 |
3
| ||
5 |
18 |
25 |
7 |
25 |
3π |
4 |
7 |
25 |
AB |
AP |
A.(3,1) | B.(1,-1) | C.(3,1)或(1,-1) | D.(3,1)或(1,1) |
21 |
OM |
OA |
OB |
OM |
OA |
OC |
AB |
OM |
AM |
CM |
BM |
1 |
2 |
OM |
AM |
a |
b |
a |
b |
a |
b |
2 |
1 |
2 |
2 |
2 |
OP |
OQ |
AB |
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