Răspuns :
I... y/3 ≡ 2y/6 !!!
II... x/5=2y/6=z/7 = (x+2y+z) / (5+6+7) = 192 /18 = 32/3
III... x = 5 × 32/3 = 53,(3)
y = 6 × 32/3 =34,00
z = 7 × 32/3 =74,(6)
II... x/5=2y/6=z/7 = (x+2y+z) / (5+6+7) = 192 /18 = 32/3
III... x = 5 × 32/3 = 53,(3)
y = 6 × 32/3 =34,00
z = 7 × 32/3 =74,(6)