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serious [3.7K]
3 years ago
11

Look at the following math problems. 10 + 2 = 12 12 − 2 = 10 What are these operations called?

Mathematics
1 answer:
Anettt [7]3 years ago
3 0

Answer:

i think it might be fact families

Step-by-step explanation:

this is because they use the 3 same #rrs

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