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What property of operation is used in this equation, 20 + 9 = 9 + 20? ​

Sagot :

Answer:

The Commutative property of addition is used in the equation

Answer:

Commutative Property of Addition

Step-by-step explanation:

The commutative property is a math rule that says that the order in which we multiply numbers does not change the product.

hope it helps

i gave the explanation of "Commutative Property" too

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