Combinatorial number + polygon - practice problems
Number of problems found: 6
- Competition 33041
The long-term volleyball tournament is played on a one-on-one basis. So far, 11 teams have entered the competition. How many matches will be lost when two teams unsubscribe? - Other's 31461
There are 13 guests at each other's party. How many clicks will you hear? - Ten persons
Ten persons, each person, make a hand to each person. How many hands were given? - Each with each
Five pupils from 3A class played table tennis. How many matches did they play with each other?
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