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A Lightning Calculator Magic Trick

Watch Yossi Elran perform a math magic trick

Can you uncover the secret behind Yossi’s lightning calculator magic trick? Post your ideas below!
The correct answer will be disclosed in the weekly email…

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This content is taken from Davidson Institute of Science Education at the Weizmann Institute of Science online course

An Introduction to Recreational Math: Fun, Games, and Puzzles

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An Introduction to Recreational Math: Fun, Games, and Puzzles

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