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OpenStudy (anonymous):
(1 pt) Which equations show that the set of whole numbers is closed under addition? Choose all answers that are correct. A. 0 + (–1) = –1 B. 1 + 1 = 2 C. 2 + 0 = 2 D. 2 + (–1) = 1
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OpenStudy (anonymous):
@gorv @iGreen @ganeshie8 @shrutipande9
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