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2014-08-04T13:46:36+03:00
0,(3)=3/9=1/3

1,4(6)=1 intreg (46-4)/90=  1 intreg 42/90=  1 intreg  14/30=  1 intreg 7/15= 22/15

0,(45)=45/99= 5/11

(x-1/3): 22/15=5/11

(x-1/3)=5/11 * 22/15

x-1/3= 2/3   aducem la acelasi numitor

3x-1=2

3x=2+1

3x=3

x=1

6 4 6