Odpowiedź:
[tex]5*\frac{7}{10} =\frac{5*7}{10} =\frac{35}{10} =\frac{7}{2}[/tex]
[tex]\frac{2}{7} *14=\frac{2*14}{7} =\frac{28}{7} =4[/tex]
[tex]\frac{2}{18} *12=\frac{2*12}{18} =\frac{24}{18} =\frac{4}{3}[/tex]
[tex]4*5\frac{5}{12} =4*\frac{65}{12} =\frac{4*65}{12} =\frac{260}{12} =\frac{65}{3} =21\frac{2}{3}[/tex]
[tex]6\frac{2}{8} *6=\frac{50}{8} *6=\frac{50*6}{8} =\frac{300}{8} =\frac{75}{2} =37\frac{1}{2}[/tex]
[tex]3*5\frac{5}{6} =3*\frac{35}{6} =\frac{3*35}{6} =\frac{35}{2} =17\frac{1}{2}[/tex]
Szczegółowe wyjaśnienie: