ixTsukii ixTsukii
  • 14-05-2023
  • Mathematics
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Un sac contient 20 boules numérotées de 1 à 20. Anna tire une boule au hasard dans le sac. Déterminer sous forme fractionnaire la probabilité de tirer un boule portant le numéro qui soit:
a. Un multiple de 4. b. Un diviseur de 4.

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