Math Problem Statement
Exercice 1 10 délégués de classe se réunissent pour former le bureau du foyer. 105 1. Sachant qu’un bureau est composé de 3 membres, quel est le nombre de bureaux possibles ? 2. Sachant qu’un bureau est composé d’un président, d’un trésorier et d’un secrétaire, quel est le nombre de bureaux possibles a) si l’on suppose qu’il n’y a pas de cumul ? b) si l’on suppose qu’il y a cumul ?
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Permutations
Combinations
Formulas
C(n, k) = n! / (k!(n-k)!)
P(n, k) = n! / (n-k)!
Theorems
Combination formula for choosing members where order doesn't matter
Permutation formula for assigning roles where order matters
Suitable Grade Level
Grades 10-12
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