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OpenStudy (anonymous):
@ganeshie8 @thomaster @mathstudent55 @gorv @AngelWilliams16 @AnswerMyQuestions For which operations is the set {–1, 1} closed? Choose all answers that are correct. A. addition B. subtraction C. multiplication D. division
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OpenStudy (anonymous):
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OpenStudy (anonymous):
@iGreen
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