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11-08-2017
Mathematics

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How do you subtract an integer from another integer without using a number line or a counter

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bspilner96 bspilner96

18-08-2017

One of the options is the selection. Pick a number that in the sum the subtrahend will give the minuend.For example. 15-12=?
12+?=1512+3=15
so15-12=3.

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