30-08-2016
Mathematics

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the difference between a number and 12 is20

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30-08-2016

If you do 20 + 12 you get 31 so the difference between 31-12=20

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30-08-2016

12+20= 32 difference is subtraction and have a number and the answer to the problem. ?-12=20 so you will have to add 12 to 20 and get your answer

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