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OpenStudy (anonymous):
find the sum of negative 5 and positive 12 and find the sum of negative 8 and negative 11 and find the sum of positive 12 and negative 19
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OpenStudy (anonymous):
ok
OpenStudy (anonymous):
-5+12=7 -8-11=-19 12-19=-7
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
5+(-2) an -8+0 an -3+(-8) an 18+(-12)
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