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Mathematics, 12.07.2019 02:30 chaparoonie15

Indicate which property is illustrated in step 1. step 1 7 + (2 + 9) + 0 = 7 + (9 + 2) + 0 step 2 = (7 + 9) + (2 + 0) step 3 = (7 + 9) + 2 step 4 = 16 + 2 associative property of addition identity property of addition associative property of multiplication commutative property of addition

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Indicate which property is illustrated in step 1. step 1 7 + (2 + 9) + 0 = 7 + (9 + 2) + 0 step 2 =...

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