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OpenStudy (anonymous):
Add. –27 + 45 A. –72 B. –18 C. 18 D. 72
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OpenStudy (anonymous):
C
OpenStudy (anonymous):
Treat it like 45 - 27 ^^
OpenStudy (anonymous):
Just re-arrange the numbers.
OpenStudy (anonymous):
–27 + 45 = 18
OpenStudy (anonymous):
c
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