Все публикации

0:18:56

2021 AIME II Problem 14 (Two Solutions)

0:31:06

2019 Poland Math Olympiad Geometry problem (Symmedian line, Incenter Excenter Lemma, Monge Theorem)

0:30:07

2021 AIME I Problem 11 Geometry (with lots of circles)

0:01:36

2021 Atlantic Hurricane Season Song (Educational)

0:29:29

2021 AIME I Problem 15 -- Algebra of parabolas and circles

0:15:00

2011 AMC 12A Problem 25

0:34:17

2020 AIME II Problem 14 (Unnecessarily long :D )

0:30:02

2020 European Girls Math Olympiad (EGMO) Problem 6

0:27:44

2020 European Girls MO (EGMO) Problem 3

0:35:57

Polya Theorem (Part 2)

0:42:50

Polya Theorem (Part 1)

0:19:19

2019 AIME II Problem 14 (Chicken McNugget Theorem)

0:07:53

2017 European Girls Math Olympiad (EGMO) Problem 1

0:25:08

2018 USAJMO Problem 1

0:28:48

2017 European Girls Math Olympiad Problem 5

0:33:23

2017 European Girls Math Olympiad Problem 6

0:10:32

2017 European Girls Math Olympiad - Problem 3

0:11:39

2019 Math Prize for Girls Problem 16

0:14:21

2019 Math Prize for Girls Problem 19 'Three tricks'

0:57:11

2019 IMO Problem 6

0:24:51

2019 European Girls Math Olympiad (EGMO) Problem 6

0:17:53

2019 European Girls MO (EGMO) Problem #3

0:29:20

2019 USAMO Problem 5 (USAJMO Problem 6)

0:34:28

2019 USAMO Problem 4 (JMO Problem 5)