girly37
26.07.2019 •
Mathematics
There are 20 players in a table tennis competition. each player must play exactly one match against every other player. how many matches are there in the competition?
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Ответ:
Step-by-step explanation:
number of games = 20(19)/2 = 190
We have to divide by 2 since games like A vs B and B vs A are the same game.
Ответ:
no solution
Step-by-step explanation: the answer will be negative