Bonjour,
1)
45 /2 = 22,5
2)
5*20 => 100L
3)
60% de 30
(60*30)/100 => 18 filles
4)
10mn -> 2km
1mn -> 2/10
25 mn -> (2*25)/10 => 5km
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Bonjour,
1)
45 /2 = 22,5
2)
5*20 => 100L
3)
60% de 30
(60*30)/100 => 18 filles
4)
10mn -> 2km
1mn -> 2/10
25 mn -> (2*25)/10 => 5km