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Match each item in Column A to an answer in Column B. What property is shown by the equation? Column A: 1. –(–33 + 18) = 33 + (–18) 2. –10 + (–15) = –15 + (–10) 3. 4 + (29 + 16) = 4 + (16 + 29) 4. –12 + (12 + 27) = (–12 + 12) + 27 Column B: A. commutative property B. associative property C. opposite of a sum property
A --> opposite of sum B --> commutative C --> associative (I'm not quite sure of this one, but I'd rather pick associative than any other property) D --> associative
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