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Sagot :

VINS

bonsoir,

1 )  proba boule B  = 60/210  = 2 / 7

2 ) proba V   = 0.2

     V / 210 =  0.2   donc V  =   42

3 )    210 -   ( 60 +  42) =  108

108  R  

108/210 ≅ 0.51

18/35 =    ≅ 0.51

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