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sleet_krkn [62]
3 years ago
6

Identify the properties 5+(2+7)=(5+2) +7 ^2 + ( + ) = ^2+ ( + ) h+0=h

Mathematics
1 answer:
monitta3 years ago
3 0
Associative, I am not sure what you are doing here, and identity property of addition

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 Supplement Postulate? they are supplementary. 



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