Răspunsuri

2014-05-22T10:40:26+03:00
0,(1)=1/9
0,1= 1/10

x,y,z,t  ip   cu 1/5  1/6  1/9  1/10

x* 1/5 =y*1/6=  z*1/9 =t* 1/10=k
x/5= y=6=z/9=t/10=k
x=5k
y=6k
z=9k
t=10k

ma=(x+y)/2= 22,5
x+y=22,5*2=45

5k+6k=45
11k=45
k=4,09

x=20,45
y=24,54
z=36,81
t=40,9
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