Math Puzzle: Fix the matchstick equation


Move two matchsticks to make this equation correct.

Here’s one solution.

Illustration of 18 matches arranged at right angles to show the mathematical expression “one third equals three to the power of negative one.”

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This puzzle originally appeared in Spektrum der Wissenschaft and was reproduced with permission. It was translated from the original German version with the assistance of artificial intelligence and reviewed by our editors.


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