2 ms·
Flash Anzan at the All-Japan National Soroban Championship 2012: [1] Background on how students train to do this using the Soroban (the Japanese Abacus): [2]
by pmoriarty 5y ago
Flash Anzan at the All-Japan National Soroban Championship 2012: [1]
Background on how students train to do this using the Soroban (the Japanese Abacus): [2]
Another demo: [3]
Two nine-year-old girls play shiritori[4] ("a Japanese word game in which the players are required to say a word which begins with the final kana of the previous word") while adding 30 three-digit numbers flashed in 20 seconds: [5]
[1] - https://www.youtube.com/watch?v=7ktpme4xcoQ https://www.youtube.com/watch?v=7ktpme4xcoQ
[2] - https://www.youtube.com/watch?v=Px_hvzYS3_Y https://www.youtube.com/watch?v=Px_hvzYS3_Y
[3] - https://www.youtube.com/watch?v=JawF0cv50Lk https://www.youtube.com/watch?v=JawF0cv50Lk
[4] - https://en.wikipedia.org/wiki/Shiritori https://en.wikipedia.org/wiki/Shiritori
[5] - https://www.youtube.com/watch?v=_vGMsVirYKs https://www.youtube.com/watch?v=_vGMsVirYKs