Seudónimo
Seudónimo
26-04-2017
Mathematics
contestada
What is the sum of -7+(+7)=
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pjrobeson
pjrobeson
26-04-2017
The answer is -7+(+7)=0
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jaalenco
jaalenco
26-04-2017
its just zero but there is a site called math, way its very helpful
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