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A number is divisible by 33 if
- the sum of the digits is 0, 3, 6 or 9;and
- the difference between (the sum of the digits in the odd places) and (the sum of the digits in the even places) is 0, 11, 22, 33, ... . This process may require repeating if the original number is very large,
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Earn +20 ptsQ: What are the divisibility rules for 33?
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Continue Learning about Other Math
How can the divisibility rules help us simplify fractions?
i think divisibility rules help with fractions because it helps you reduce the fraction to make i a simple fraction.
What numbers 2 3 5 9 divides into 123456789 evenly using divisibility rules?
3 and 9. And they divide into 123456789 whether or not you use divisibility rules!
Reduce 324/711 using divisibility rules?
0.4557
324/711 reduce using divisibility rules?
0.4557
Who invented the divisibility rules?
Oh honey, divisibility rules have been around longer than your grandma's secret meatloaf recipe. But if you want a name to drop at your next trivia night, credit goes to good ol' Euclid. He's the OG mathematician who laid down the law on how numbers can play nice and divide evenly.
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