1. Evaluate the expression. Then, name the property illustrated. (a) 5 + 9 =
(b) 495 -0 =
(c) 7 + (4 + 9) =
9 + 5 =
(7 + 4) + 9 =
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1. Evaluate the expression. Then, name the property illustrated. (a) 5 + 9 =
(b) 495 -0 =
(c) 7 + (4 + 9) =
9 + 5 =
(7 + 4) + 9 =
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