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Mathematics, 04.07.2019 21:00 kolibeilfuss

To subtract 178-135 mentally, carmine adds 5 to each number. karen adds 2 to each number. will both methods work to find the correct answer? why or why not?

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To subtract 178-135 mentally, carmine adds 5 to each number. karen adds 2 to each number. will both...
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