va rog am nevoie de ajuto4! e urgent. DAU CORIANA
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Răspuns:
Explicație pas cu pas:
2a/3 = 3b/5 = 5c/4 = k
a = 3k/2
b = 5k/3
c = 4k/5
a + b + c = 119
3k/2 + 5k/3 + 4k/5 = 119
45k/30 + 50k/30 + 24k/30 = 119
119k/30 = 119
k = 30*119/119 = 30
a = 3*30/2 = 45
b = 5*30/3 = 50
c = 4*30/5 = 24