Răspuns:
[tex]a) \frac{5}{10 } \times \frac{4}{5} = \frac{2}{5} [/tex]
[tex]b) \frac{11}{5} \times \frac{75}{100} = \frac{33}{20} [/tex]
[tex]c) \frac{125}{100} \times 4 \times \frac{2}{5} = \frac{25}{25} \times 2 = 2 (simplifici pe \: 25 \: cu25)[/tex]
