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Two maths whizz kids have differing styles but both prove to be faster than calculators
On July 13, the 2025 Zhongzhou Cup Traditional Culture Carnival was held in Zhengzhou, Henan Province, featuring four signature events: mental arithmetic, lightning calculation, auditory mental math, and Rubik’s Cube challenges.
In the lightning calculation round, two young boys faced off in a rapid-fire arithmetic showdown. They demonstrated extraordinary calculation speed and accuracy—so fast and precise that they outperformed calculators, leaving the audience in awe.
Lightning calculation, also known as lightning mental math, refers to the intuitive ability of the human subconscious to rapidly perform complex calculations. It was first documented in works such as "The Secret" by Korir and others. The theory suggests that the subconscious governs key physiological functions and possesses information-processing potential that surpasses conscious thought.
Two boys battle it out in lightning calculation—faster and more accurate than a calculator.
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