Can someone pls help me with this?

Mathematics

1 answer:

bija089 [108]3 years ago

7 0

Communicative Property: (5+7) +3

Associative prop: (3+5) +7 or (3+7) +5

And the last one, I don’t fully understand what it is asking, but I believe it is asking for the answer which would be 15

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