集合問題以及柯西不等式
https://instagram.com/110candidates_and_two_turtles?igshid=3h8hm54hokpx
大師預測學測題目
https://youtu.be/LTP5rAE6LlA
https://instagram.com/110candidates_and_two_turtles?igshid=3h8hm54hokpx
大師預測學測題目
https://youtu.be/LTP5rAE6LlA