題目列表(包括答案和解析)
i |
j |
OP |
i |
j |
π |
2 |
OQ |
i |
OP |
OQ |
a |
b |
a |
b |
a |
b |
7 |
π |
3 |
OP |
OA |
| ||
sinC |
| ||
sinB |
|
1 |
4 |
1 |
4 |
OP |
OA |
OB |
BP |
PA |
BP |
PA |
OA |
OB |
OA |
OB |
OP |
AB |
| ||
2 |
2 |
3 |
3 |
2 |
PF |
OF |
1 |
3 |
OP |
OF |
OA |
OB |
OA |
OB |
OA |
OB |
π |
3 |
OP |
OA |
OB |
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