Answered

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Exercice 8+
Résous les problèmes suivants :
PB 1. Marie est partie à 7h55 de sa maison. Elle met 25 min pour arriver au collè
À quelle heure est-elle arrivée ?
PB 2 Gesoir à la tála​

Sagot :

Answer:

7h55mn + 25mn = 08h 20 mn

Explanation:

on additionne 7h55mn et 25mn qui donnera 7h 80mn, il n'y existe pas 7h 80mn (1h=60mn mais il y a 80mn), on soustrait 60 dans 80 ( donc Il y aura 1h de plus) il y restera 20mn. La réponse est donc 8h 20 mn

On retrouvera 7h 55mn si on soustrait 8h 20mn et 25 min.

où est le 2?!

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