Răspuns:
[tex](\frac{23}{10}+\frac{7}{4}):\frac{27}{2}=(\frac{23}{20}*\frac{2}{2}+\frac{7}{4}*\frac{5}{5})*\frac{2}{27} =\frac{46+35}{2}*\frac{2}{27} =\frac{81}{27}= 3[/tex]
