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at up the digits in the number and if the sum is a multiple of three then it means that 3 can go into the number.

eg. the number 27... 2+7=9 and 9 is a multiple of three so 3 can go into 27
3*9 =27

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Q: What is the rule in division when you are using the number 3?
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What is the division rule for 6?

Rule: If it is divisible by 2 and by 3Numbers are divisible by 6 if they are divisible by 3 and 2. Therefore, for example, since 18 is divisible by 3 and 2, it is also divisible by 6.The divisibility rule for 6 is, it can go into the number if 2 and 3 can also.


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