Seudónimo Seudónimo

24-02-2016
Mathematics

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Break apart ones to make a ten.

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Аноним Аноним

24-02-2016

Example: If it was 15+7 you would break the 7 into a number that would make 7 and is easy to work with so I would break 7 into 5 and 2 then I would do 5+15 is 20+2 is 22 So 15+7 is 22

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