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Mathematics, 07.06.2020 05:01 mivantechenko9751
10 teams enter a soccer tournament. In the first round teams paired in 5 pairs to play with each other.
a
How many different pairings are possible neither the order of the pairings nor the order of teams within each pairing matters?
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10 teams enter a soccer tournament. In the first round teams paired in 5 pairs to play with each oth...
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