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stiind ca x/a=y/b=z/c=t/d si x/a=3 sa se calculeze x+y+z+t daca a+b+c+d=2012 dau coroana

Răspuns :

x/a = y/b = z/c = t/d = (x + y + z + t) / (a + b + c + d) = (x + y + z + t) / 2012   
x + y + z + t = 2012 × x/a = 2012 × 3 = 6036 
x/a=y/b=z/c=t/d

(x+y+z+t)/(a+b+c+d)=(x+y+z+t)/2012

x+y+z+t=2012*x/a=2012*3=6036