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Mathematics 16 Online
OpenStudy (anonymous):

345-(-3)

OpenStudy (diyadiya):

348

OpenStudy (lalaly):

348

OpenStudy (anonymous):

(-) + (-) = + (-) + (+) = - (+) + (+) = +

OpenStudy (anonymous):

IGNORE the above answer, this one is better to understand: +/- = - -/- = + +/ =+

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