Poziom A
e)
[tex] \frac{1}{9} \times \frac{4}{5} = \frac{4}{45} [/tex]
f)
[tex] \frac{4}{7} \times \frac{4}{9} = \frac{16}{63} [/tex]
g)
[tex] \frac{4}{9} \times \frac{1}{3} = \frac{4}{27} [/tex]
h)
[tex] \frac{4}{7} \times \frac{8}{11} = \frac{32}{77} [/tex]
Poziom B
e)
[tex] \frac{2}{7} \times \frac{3}{4} = \frac{1}{7} \times \frac{3}{2} = \frac{3}{14} [/tex]
f)
[tex] \frac{2}{5} \times \frac{10}{11} = \frac{2}{1} \times \frac{2}{11} = \frac{4}{11} [/tex]
g)
[tex] \frac{3}{7} \times \frac{7}{10} = \frac{3}{1} \times \frac{1}{10} = \frac{3}{10} [/tex]
h)
[tex] \frac{4}{7} \times \frac{3}{8} = \frac{1}{7} \times \frac{3}{2} = \frac{3}{14} [/tex]
