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jrodriguez2315 Group TitleBest ResponseYou've already chosen the best response.0
secant.
 2 years ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
is 1+4+7 divisible by 3 If so then no
 2 years ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
That is a trick
 2 years ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
Like if you take the sum of the digits of a number and it is divisible by 3 then the the number is divisible by 3
 2 years ago

robtobey Group TitleBest ResponseYou've already chosen the best response.0
\[147=3*7^2 \]
 2 years ago

myininaya Group TitleBest ResponseYou've already chosen the best response.1
Of course not all composite numbers are divisible by 3 but this one is
 2 years ago
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