Răspunsuri

  • Utilizator Brainly
2014-03-06T10:47:30+02:00
X/7=y/5=z/11 ⇒ x/7=(x+y+z)/(7+5+11)=138/23=6 ⇒ x=42;
x/7=y/5 ⇒ y=30; x/7=z/11 ⇒ z=66
1 5 1
2014-03-06T10:51:52+02:00
X=7k     y=5k   z=11k => 23k=138=>k=6=> x=42  y=30   Z=66