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2014-06-03T10:28:24+03:00
A+b=120
a=26k
b=7k

26k+7k=120
33k=120
k=120:33
k=3.63

a=3.63*26
a=94.54

b=3.63*7
b=25.41
2014-06-03T10:30:55+03:00
Fie x, y partile
      {x ; y }
d.p.
       {26; 7}
 x+y= 120
x/26=y/7=x+y/26+7 = 120/33 = 3.63
x= 26 x 3.63 = 94,38
y= 7 x 3.63 = 25.41