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Sagot :

AESBY

Bonjour,

4,5h = 290 minutes (60×4+50)

12,25h = 745 minutes (60×12+25)

6,2h = 380 minutes (60×6+20)

0,45h = 45 minutes

Rappel: 1 heure = 60 minutes

0U0

Bonjour,

Réponse :

a . 4,5h

calculs: 4*60=240  240+50=290

4,5h = 290 minutes

b . 12,25h

calculs: 12*6=720 720+25=745

12,25h = 745 minutes

c . 6,2h

calculs: 6*60=360 360+60=420

6,2h = 420 min

d . 0,45h

0,45h= 45 minutes

bonne journée^^

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