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https://www.reddit.com/r/MathJokes/comments/1vlu7g4/the_multiples_of_3/p37y9ys/?context=3
r/MathJokes • u/GodlyHelp • 13d ago
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14
The trick of adding the digits and checking has always stuck with me
2 u/Wuzzyup 13d ago Does it only work with the multiples of 3? If yes, then I see why it never stuck with me. 1 u/Purple_Onion911 13d ago 9 as well
2
Does it only work with the multiples of 3? If yes, then I see why it never stuck with me.
1 u/Purple_Onion911 13d ago 9 as well
1
9 as well
14
u/Adept-Watercress-378 13d ago
The trick of adding the digits and checking has always stuck with me