bonjour
proba boule bleue = 3/5
3 ) 2/5 = 8 boules vertes
3./5 = 24 : 2 = 12 bleues
4 ) on ajoute 10 rouges , on a 30 boules
proba R = 10/30 = 1 /3
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bonjour
proba boule bleue = 3/5
3 ) 2/5 = 8 boules vertes
3./5 = 24 : 2 = 12 bleues
4 ) on ajoute 10 rouges , on a 30 boules
proba R = 10/30 = 1 /3