Zamień rozwinięcie okresowe na ułamek zwykły: 1,1(3)
x = 1,1(3)/*10
10x = 11,(3)/*10
100x = 113,(3)
100x-10x = 113,(3) - 11,(3)
90x = 102/:90
x = 102/90
x = 1 i 12/90
x = 1 i 2/15
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x = 1,1(3)/*10
10x = 11,(3)/*10
100x = 113,(3)
100x-10x = 113,(3) - 11,(3)
90x = 102/:90
x = 102/90
x = 1 i 12/90
x = 1 i 2/15