Odpowiedź :
[tex]\frac{2}{3} = 2:3 = 0,666 ... = 0,(6)\\\\\frac{17}{15} = 1,1333 ... = 1,1(3)\\\\11\frac{5}{6}=11,83333 ... = 11,8(3)\\\\\frac{6}{12} = \frac{1}{2} = \frac{1\cdot5}{2\cdot5} = \frac{5}{10} = 0,5[/tex]
[tex]\frac{2}{3} = 2:3 = 0,666 ... = 0,(6)\\\\\frac{17}{15} = 1,1333 ... = 1,1(3)\\\\11\frac{5}{6}=11,83333 ... = 11,8(3)\\\\\frac{6}{12} = \frac{1}{2} = \frac{1\cdot5}{2\cdot5} = \frac{5}{10} = 0,5[/tex]