jeudi 19 janvier 2017


Who want to be a millionaire had their Whiz Kids series and the asked a math question. So the kid had to figure this out entirely using his brain.
They gave the number 123456787700000 (actually they listed the last digits but I forgot what they were) and asked what was the square root. There were multiple choices a. 11111111, b. 1111111, c. 111111. How would you work this out in your head. The Whiz kid did. I have a procedure in mind but not the way he did it.

via International Skeptics Forum

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