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Sagot :

Bjr,

5.3 h = 5 h + 0.3 h

1 h             0.3 h

60 min        x min

x = 60 * 0.3 = 18 min

5.3 h = 5 h 18 min

Hello

5.3 h

5 h et 0.3h

0.3h = 0.3 * 60 = 18

5h18min

Bonne journée

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