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Mathematics, 12.08.2019 19:10 EmmaPreston43

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)

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What is the difference of 8 and 9 written as an addition problem?
a. 8 + (−9)
b. 8 − (−...
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