Odpowiedź :
0,(3) = x /×10
3,(3) = 10x
3 + 0,(3) = 10x, ponieważ 0,(3) = x
3 + x =10x
3 = 10x - x
3 = 9x /÷9
3/9 = 1/3
3,(3) = 10x
3 + 0,(3) = 10x, ponieważ 0,(3) = x
3 + x =10x
3 = 10x - x
3 = 9x /÷9
3/9 = 1/3