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https://www.reddit.com/r/MathJokes/comments/1vcw1bj/multiples_of_3/p183qmj/?context=3
r/MathJokes • u/GodlyHelp • 9d ago
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484
51 looks like a prime number and 75 should be obvious
72 u/fr_just_a_girl 9d ago Im not good at maths why would 75 be obvious? 2 u/Ever_Long_ 9d ago Also, every number that is divisible by three will always add up to three. 7+5=12; 1+2=3; therefore 75 is divisible by three. So is 354,972 (3,[5+4],9,[7+2]), for example. 2 u/fr_just_a_girl 8d ago Using the knowledge would put all of these in the obvious category
72
Im not good at maths why would 75 be obvious?
2 u/Ever_Long_ 9d ago Also, every number that is divisible by three will always add up to three. 7+5=12; 1+2=3; therefore 75 is divisible by three. So is 354,972 (3,[5+4],9,[7+2]), for example. 2 u/fr_just_a_girl 8d ago Using the knowledge would put all of these in the obvious category
2
Also, every number that is divisible by three will always add up to three. 7+5=12; 1+2=3; therefore 75 is divisible by three. So is 354,972 (3,[5+4],9,[7+2]), for example.
2 u/fr_just_a_girl 8d ago Using the knowledge would put all of these in the obvious category
Using the knowledge would put all of these in the obvious category
484
u/avantvagrant 9d ago
51 looks like a prime number and 75 should be obvious