Răspuns:
[tex](\frac{2}{5} + \frac{3}{4} ) : \frac{23}{4}[/tex]
[tex](\frac{8+15}{20} * \frac{4}{23}[/tex]
[tex]\frac{23}{20} * \frac{4}{23}[/tex]
[tex]\frac{1}{5}[/tex]
[tex]\frac{11}{2} : (\frac{3}{4} + \frac{5}{8} )[/tex]
[tex]\frac{11}{2} : (\frac{6+5}{8} )[/tex]
[tex]\frac{11}{2} * \frac{8}{11} = \frac{8}{2} = 4[/tex]
[tex](\frac{5}{4} + \frac{7}{6} ): \frac{29}{6}[/tex]
[tex](\frac{30+28}{24} )*\frac{6}{29}[/tex]
[tex]\frac{58}{24} *\frac{6}{29} = \frac{12}{24} = \frac{1}{2}[/tex]
[tex]\frac{17}{12} : ( \frac{5}{6} - \frac{1}{8} )[/tex]
[tex]\frac{17}{12} : (\frac{40-6}{48 } )[/tex]
[tex]\frac{17}{12} * \frac{48}{34}[/tex]
[tex]\frac{4}{2} = 2[/tex]
