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0,(3)supra x=2supra 0,(2)


Răspuns :

Răspuns:

0,(3) = 3/9 = 1/3

1/3 : x = 1/3x

0,(2) = 2/9

2 : 2/9 = 2 • 9/2 = 9

1/3x = 9

1=27x

x=1/27