Mathematics

Mathematics, 29.04.2021 17:20, natethawsm

Maria writes the expression below. 21 + 3 + 6 + 9 − 3 Which expression could be shown to be equivalent to Maria's expression based on the commutative property of addition? Immersive Reader (20 Points) 12( + 2) 3( + 3) + 3(7 + 2 − 1) 3 + 9 + 21 + 6 − 3 3(7 + + 2 + 3 − 1)

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