giorginarattan giorginarattan

20-12-2019
Mathematics

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higher order thinking jamie says that 19 - 10 is equal to 20 - 10 because both sides uses subtraction. is jamie correct ? explain why or why not.

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Lidpras Lidpras

20-12-2019

No. Subtraction shows the difference between two numbers, which do not have to be the same.

19 - 10 = 9

20 - 10 = 10

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