OA |
OB |
OA |
OB |
OA |
OB |
2
| ||
5 |
OA |
OB |
OA |
OB |
OA |
OB |
OA |
OB |
OA |
OB |
OA |
OA |
OB |
OB |
OA |
OA |
OB |
OB |
OA |
OB |
OA |
OB |
MA |
MB |
x1+x2 |
2 |
y1+y2 |
2 |
y12y22 |
4p2 |
y12y22 |
4p2 |
x1+x2 |
2 |
1 |
4p |
1 |
4p |
y1y2 |
2p |
1 |
p |
|x-2y| | ||
|
|
| ||
|
|(y-p)2+p2| | ||
|
p | ||
|
p | ||
|
2
| ||
5 |
a |
b |
3 |
a |
b |
AB |
A.19 | B.-
| C.
| D.
|
π |
2 |
CA |
CB |
p |
| ||||
|
|
| ||
|
|
a |
b |
p |
A.[0,
| B.[0,1] | C.(0,2] | D.[0,2] |
a |
b |
a |
b |
a |
b |
a |
b |
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