nathanpatez79 nathanpatez79
  • 09-10-2022
  • Mathematics
contestada

Exercice 3:
L'alarme d'une maison s'est déréglée. La sonnerie s'est déclenchée à 8h40, puis a sonné toutes les 35 minutes. Le
propriétaire est venu la débrancher à la 21me sonnerie. Quelle heure est-il à ce moment-là? Expliquer.

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