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Mathematics 16 Online
OpenStudy (anonymous):

-3 (12+k)

OpenStudy (saifoo.khan):

hey, i

OpenStudy (saifoo.khan):

u need help?

OpenStudy (anonymous):

i don't understand it

OpenStudy (saifoo.khan):

y?

OpenStudy (anonymous):

-3 (12+k),what does she mean?

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