Mathématiques

Question

combien fait 12min ,54min ,1h42min 4h18min ,en heures svp ​

1 Réponse

  • bonsoir

    12 min = 12/60 = 0.2 h

    54 min = 0.9 h

    1 h 42 = 1.7 h

    4 h18 min = 4.3 h

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