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3 years ago

10

What is -1 + (4 + 9) = (-1 + 4) + 9 property?

2 answers:

AfilCa [17]3 years ago

8 0

Answer:

12=12

Step-by-step explanation:

Hatshy [7]3 years ago

7 0

Answer:

12=12

Step-by-step explanation:

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