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Cel mai inteligent răspuns!
2014-05-12T19:40:48+03:00
0,(3)= 3/9=1/3
0,2= 2/10=1/5
0,04=4/100=1/25

x,y,z ip cu 1/3  1/5  1/25

x * 1/3 = y * 1/5  = z* 1/25=k
x/3 =y/5=z/25=k

x=3k
y=5k
z=25k

ma=(x+y+z)/3=66
 =(3k+5k+25k)/3= 66
=33k/3=66
k=3*66/33
k=3*2
k=6

x=18
y=30
z=150
1 5 1