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Mathematics 15 Online
OpenStudy (anonymous):

Find the sum or difference. -8 -1 7 -2 0 -2 0 9 2 + -4 5 -1

OpenStudy (anonymous):

is that a matrix?

OpenStudy (anonymous):

I believe so. The plus sign is in the middle of both problems

OpenStudy (anonymous):

is there a bracket? like |dw:1392904187262:dw|

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