5. Maria writes the expression below.
21 + 3 + 6 + 9 − 3
Which expression could be shown to...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 10.05.2021 05:20, sidney2602
5. 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?
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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