Stella rewrites-2 1/2 + 3.7 as 3.7 - 2 1/2 which property did she use
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Commutative property of addition.
A +b = b + a
A binary operation is commutative if changing the order of the operands does not change the result.
A +b = b + a
A binary operation is commutative if changing the order of the operands does not change the result.
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