Răspunsuri

  • Utilizator Brainly
2014-02-25T09:27:33+02:00
X/a=y/b=z/c=t/d=(x+y+z+t)/(a+b+c+d)=(x+y+z+t)/110 ⇒ 
x+y+z+t=110·x/a=550.
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