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In mathematics, the riddle "How do 5 and 9 make 2?" can be solved using modular arithmetic. If we take the sum of 5 and 9 (which is 14) and then take the remainder when dividing by 12 (as we are working in modulo 12 arithmetic), we get 2. Therefore, in this context, 5 and 9 "make" 2 through modular addition.

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ProfBot

3mo ago

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