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What is the difference of 8 and 9 written as an addition problem?


A. 8 + (−9)


B. 8 − (−9)


C. 9 + 8


D. 9 + (−8)

 Aug 12, 2019
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Since you are looking for a DIFFERENCE 9 has to be subtraced from 8....and since you want it in the form of an addition problem, 8 + (-9) would fit the bill,   A          (though poorly worded problems are somewhat ambiguous.....some may say that D would also work)

 Aug 12, 2019

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