The theory that everything needed for a vector is in the five hearts.
29:45
ベクトル飛躍の鍵【これがベクトルの正体なのか！！】
48:26
Vectors should always be a source of points [Common Test].
1:12:53
"図形の性質"がみるみる解けるようになる動画【永久保存版】
28:44
才能ある奴の”いだの好きなシーン”確実におもろい説。
19:32
A complete explanation of the congruence equation (mod) from scratch!
15:28
Are you still worn out from memorizing the whole formula? Cheva-Menelaus theorem.
21:08
Who is Smarter? Engineer vs Chinese 5th Grader
16:08