Odpowiedź:
[tex]a) 1 \frac{1}{4} * \frac{3}{7} = \frac{6}{4} * \frac{3}{7} = \frac{6*3}{4*7} =\frac{18}{28} = \frac{9}{14}[/tex]
[tex]b) \frac{1}{2} * 2 \frac{1}{3} = \frac{1}{2} *\frac{7}{3} =\frac{1*7}{2*3} = \frac{7}{6} = 1\frac{1}{6}[/tex]
[tex]c) \frac{2}{3} * 1\frac{3}{5} =\frac{2}{3} * \frac{8}{5} = \frac{2*8}{3*5} =\frac{16}{15} =1\frac{1}{15}[/tex]
[tex]d) \frac{3}{2} * 2 \frac{1}{4} =\frac{3}{2} * \frac{9}{4}=\frac{3*9}{2*4} = \frac{27}{8} = 3\frac{3}{8}[/tex]
[tex]e) \frac{5}{6} * 2\frac{1}{3} = \frac{5}{6} * \frac{7}{3} = \frac{5*7}{6*3} = \frac{35}{18} = 1 \frac{17}{18}[/tex]
