This repository has been archived on 2024-06-23. You can view files and clone it, but cannot push or open issues or pull requests.
|
ans
|
|
|
|
018510
|
|
证明略
|
|
|
|
018512
|
|
$(\dfrac{1}{3}(x_1+x_2+x_3),\dfrac{1}{3}(y_1+y_2+y_3))$
|
|
|
|
018515
|
|
证明略
|
|
|
|
010373
|
|
证明略
|
|
|
|
024755
|
|
$23$
|
|
|
|
024754
|
|
$\pi-\arccos\dfrac{1}{7}$
|
|
|
|
024756
|
|
$1:3$
|
|
|