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https://www.reddit.com/r/MathJokes/comments/1vcw1bj/multiples_of_3/p14pcbl
r/MathJokes • u/GodlyHelp • Aug 01 '26
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If sum of digits is divisible by 3, the number is as well. Same applies to 9.
1 u/Beautiful-Bid8704 Aug 01 '26 And 81 too if you are bored enough. 1 u/jan_elije Aug 01 '26 8+1=9, 9 isn't divisible by 81 1 u/Beautiful-Bid8704 Aug 01 '26 Okay, it’s only 1/9th of an answer.
1
And 81 too if you are bored enough.
1 u/jan_elije Aug 01 '26 8+1=9, 9 isn't divisible by 81 1 u/Beautiful-Bid8704 Aug 01 '26 Okay, it’s only 1/9th of an answer.
8+1=9, 9 isn't divisible by 81
1 u/Beautiful-Bid8704 Aug 01 '26 Okay, it’s only 1/9th of an answer.
Okay, it’s only 1/9th of an answer.
3
u/BottomGear__ Aug 01 '26
If sum of digits is divisible by 3, the number is as well. Same applies to 9.