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osanseviero
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So two problems (just to check if I did them right)
 one year ago
 one year ago
osanseviero Group Title
So two problems (just to check if I did them right)
 one year ago
 one year ago

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osanseviero Group TitleBest ResponseYou've already chosen the best response.0
1. There are 9 different students. How many comissions of 3 students can I form? 9C3=84
 one year ago

osanseviero Group TitleBest ResponseYou've already chosen the best response.0
2. A person has 5 coins of different values. ¿How many different additions can I make?
 one year ago

osanseviero Group TitleBest ResponseYou've already chosen the best response.0
How to do this last one?
 one year ago
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