70.3k views
2 votes
18 + (6 + 9) = (18 + 6) + 9

2 Answers

2 votes

Answer:

they both equal 33

Explanation:

User Brian Roach
by
6.5k points
3 votes

Answer

I think it's property is required

So it's property is associative property of addition

User Cesarmart
by
7.9k points
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