Motivation Solution on Instagram: "Imagine a small child solving 10 huge five-digit numbers in just 8 seconds, without touching a calculator or even a physical abacus! This is the power of the Mental Abacus. In this technique, children are trained to visualize an abacus in their mind and perform complex arithmetic with lightning speed. In fact, world records prove how incredible this is. For example, in Japan’s Flash Anzan championship, a champion named Takeo Sasano added fifteen three-digit num