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1,(3)x = 15 pe 8
urgent.....


Răspuns :

1,(3)=(13-1)/9 = 12/9=4/3
=> 4/3 * x = 15/8 | :4/3
          x = 15/8:4/3 = 15/8 * 3/4 = 45/32 (=1,40625)