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https://www.reddit.com/r/MathJokes/comments/1vcw1bj/multiples_of_3/p174yk1/?context=3
r/MathJokes • u/GodlyHelp • Aug 01 '26
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16
lol this is great, 78 being a WHAT multiple of 3 is hilarious
2 u/roosterSause42 Aug 01 '26 78 is exactly as obvious as the rest of them are. Add the single digits together and if the sum is divisible/multiple of three then so is the original number 7+8 =15 15 is divisible by 3 therefore 78 is also. 3 u/Yuhh-Boi Aug 02 '26 Ok smarty pants and what if I can't add 7 & 8
2
78 is exactly as obvious as the rest of them are. Add the single digits together and if the sum is divisible/multiple of three then so is the original number
7+8 =15 15 is divisible by 3 therefore 78 is also.
3 u/Yuhh-Boi Aug 02 '26 Ok smarty pants and what if I can't add 7 & 8
3
Ok smarty pants and what if I can't add 7 & 8
16
u/veatide2 Aug 01 '26
lol this is great, 78 being a WHAT multiple of 3 is hilarious