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expeople1 [14]
3 years ago
9

How many 2-letter combinations can be made from the letters A, B, C, and D?

Mathematics
2 answers:
yulyashka [42]3 years ago
5 0

Answer:

12

Step-by-step explanation:

each letter can be used with each other 3 times and there are 4 letters so 12

storchak [24]3 years ago
3 0

Answer: 6

Step-by-step explanation:

edge

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