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Mathematics 85 Online
OpenStudy (winsteria):

For which operations is the set {–1, 0, 1} closed? Choose all answers that are correct. A. addition B. division C. multiplication D. subtraction

OpenStudy (winsteria):

@TheSmartOne

TheSmartOne (thesmartone):

I don't know sorry.

OpenStudy (winsteria):

It's okay :)

OpenStudy (winsteria):

@AriPotta

OpenStudy (winsteria):

I think it's Multiplication and Division though :/

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