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OpenStudy (anonymous):
positive sixteen plus negative thirty-one equals blank negative forty-seven negative fifteen positive fifteen positive forty-seven
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OpenStudy (anonymous):
@Chineseboy15
OpenStudy (aggie12341):
negative fifteen
OpenStudy (anonymous):
+16+(-31) =16-31 How to do calculate it? You can calculate 31-16=15 then add a "-" in front of 15. So 16-31=-15 aggie12341 is right.
undeadknight26 (undeadknight26):
can you use a calculator?
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