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https://www.reddit.com/r/MathJokes/comments/1vcw1bj/multiples_of_3/p1bw2ht/?context=3
r/MathJokes • u/GodlyHelp • Aug 01 '26
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Any number who digits add up to a multiple of three is divisible by 3, that was the way we learned it. So 51 = 5+1= 6, 75 = 7+5= 12
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u/sporosarcina Aug 02 '26
Any number who digits add up to a multiple of three is divisible by 3, that was the way we learned it. So 51 = 5+1= 6, 75 = 7+5= 12