Mathematics, 14.04.2021 23:30 hemolelekeakua

Quatre filles et trois garçons veulent s'asseoir sur un banc . 1° Trouver le nombre total de possibilités.
2° De combien de façons peut-on asseoir ces personnes :
a) si on veut alterner les filles et les garçons ?
b) si les filles se mettent l'une à côté de l'autre ainsi que les garçons ?

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Quatre filles et trois garçons veulent s'asseoir sur un banc . 1° Trouver le nombre total de possib...