Fact of the Week
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A champion mathlete can add ten ten-digit numbers in thirteen seconds
Fact of the week
4 September 2023
A champion mathlete can add ten ten-digit numbers in thirteen seconds
Every two years, a Mental Calculation World Cup takes place in Germany. The competitors, sometimes known as mathletes, solve complicated calculations incredibly quickly, all in their heads. Some of the challenges include multiplying two eight-digit numbers, add ten ten-digit numbers, and calculate the correct day of the week of a date.

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