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Puzzle ZZQP 


??

All Matchstick Puzzles

Can you make this equation correct by moving exactly one matchstick?

99 - 36 = 21

Note: this puzzle is not interactive, and the matchsticks cannot be moved. The matchstick layouts for each digit are:

Default Digits

Puzzle Copyright © Kevin Stone

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Answer
 
59 - 38 = 21