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Mathematics 7 Online
OpenStudy (anonymous):

how can u tell if 3 is a factor of 313

OpenStudy (anonymous):

its not

OpenStudy (kc_kennylau):

You add up the digits together (i.e. 3+1+3) and discover that the sum is not divisible by 3

OpenStudy (anonymous):

i dotn need help just posting radom questions to get engagemnt up btw

OpenStudy (kc_kennylau):

ic

OpenStudy (anonymous):

oh haha ill keep answering i need medals

OpenStudy (anonymous):

lol ok

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