ciaschelr9a6ceja ciaschelr9a6ceja

02-12-2015
Mathematics

contestada

Tell how to undo each operation and explain why it works. Adding 28. Dividing by 17

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StrawberrySunshine StrawberrySunshine

02-12-2015

Addition: Use subtraction, because the inverse of adding is subtracting. Same goes for subtracting. Add.

Multiplying: Opposite to divideing

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