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Mathematics 15 Online
OpenStudy (anonymous):

-9 · 4

OpenStudy (anonymous):

-36

OpenStudy (theviper):

-36

OpenStudy (anonymous):

you just multiply 9*4 which +36 and then add the sign which equals -36

OpenStudy (anonymous):

are you serious?

OpenStudy (theviper):

yes but remember -9 * -4 = +36

OpenStudy (anonymous):

thanks

OpenStudy (theviper):

LOL @vacuole

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