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Mathematics 19 Online
OpenStudy (anonymous):

-5[86-(-5-64)]=

OpenStudy (anonymous):

i got -31 is that right?

OpenStudy (m):

calculator says -135

OpenStudy (anonymous):

really??

OpenStudy (m):

-5[86-(-69)] -5[86+69] -5[155] -755

OpenStudy (m):

negative times negative becomes positive :)

OpenStudy (anonymous):

oh i didnt notice that...

OpenStudy (anonymous):

thank you

OpenStudy (m):

np

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