bonjour
rouges = x
bleues = 2 x
vertes = 6 x
x + 2 x + 6 x = 423
9 x = 423
x = 47
47 rouges, 94 bleues et 282 vertes
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bonjour
rouges = x
bleues = 2 x
vertes = 6 x
x + 2 x + 6 x = 423
9 x = 423
x = 47
47 rouges, 94 bleues et 282 vertes