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Nataliya [291]
4 years ago
10

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

Mathematics
2 answers:
AfilCa [17]4 years ago
8 0

Answer:

12=12

Step-by-step explanation:

Hatshy [7]4 years ago
7 0

Answer:

12=12

Step-by-step explanation:

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