5:13

MIT 2023 Quarterfinals #1-1

4:20

This shortcut can save you HOURS! (ok ok minutes)

5:31

Nice "alternative method" (the long way)

3:13

One trick makes this one easy

11:47

an interesting limit

4:55

I had to examine every pixel on Desmos looking for clues

25:55

Um dos exames de matemática mais difíceis da Índia este ano

18:11

A tricky problem from Harvard University Interview