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Mathematics, 30.07.2019 20:00 Har13526574

Look at the following math problems. 10 + 2 = 12 12 βˆ’ 2 = 10 what are these operations called?

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Look at the following math problems. 10 + 2 = 12 12 βˆ’ 2 = 10 what are these operations called?...
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