Tokyo Olympics 2020 August 18, 2022 [Mathematics problem difficult problem]Thorough explanation of the figure problem of the Olympic level (deviation value 80)! Explanation class that you can definitely understand (junior high school 3rd and high school ~)
Tokyo Olympics 2020 August 6, 2022 [Gento Kono]For exam mathematics… Gento Kono talks about his impressions of taking the Mathematical Olympiad
Tokyo Olympics 2020 February 4, 2022 [Winter Olympics]Is the oldest medalist XX years old? !! Amazing trivia quiz![Beijing 2022 Olympics]
