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2014-06-02T19:22:02+03:00
X/3= y/5 = z/7 =4875/15
x/3= 4875/15 ⇔ x= 14625/15 ⇔ x=975
y/5 = 4875/15 ⇔ y=24375/15 ⇔ y=1625
z/7= 4875/15 ⇔ z=34125/15 ⇔ z=2275
Verificare: 975+1625+2275=4875