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Mathematics 20 Online
OpenStudy (anonymous):

9 - 7 - 5=

OpenStudy (anonymous):

-3

OpenStudy (pottersheep):

really? lol

OpenStudy (anonymous):

lol xD

OpenStudy (anonymous):

easiest thing in math 9 + (7i^2) + (5i^2) = 9 + 12 i^2 = -3

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