# Math_Unit1_DivisibiityRule_of_3

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Divisibility Rule of 3

Dividing by 3Add up all the digits in the number.Find out what the sum is. If the sum is divisible by 3, so is the numberFor example: 12123 (1+2+1+2+3=9) 9 is divisible by 3, therefore 12123 is too!

Divisibility Rule of

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