Fastest time to complete 20 calculations on Dr Kawashima’s Brain Training

Fastest time to complete 20 calculations on Dr Kawashima’s Brain Training
Quién
hirokiti55nanakusado
Qué
7 second(s)
Dónde
Japón ()
The fastest time to complete 20 calculations on Dr. Kawashima’s Brain training, was achieved by YouTube poster hirokiti55nanakusado (Japan), who submitted a time of just 7 seconds to complete the “20 calculations” component. This effectively means solving three (simple) maths problems every second.