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Tricks for Finding Multiples of 3 and 4 TRICK 1: Any number is divisible by 3 if the sum of the digits in the number is divisible by 3. Look at these examples: and 2 + 1 = 3 21 ÷ 3 = 7 and 1 + 0 + 2 = 3
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Document Date: 2013-03-11 15:52:10
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