Zadanie 2 na stronie 109 na jutro plss hlpp

[tex]a.[/tex]
[tex] \frac{2}{3} \times \frac{1}{4} = \frac{1}{3} \times \frac{1}{2} = \frac{1}{6} [/tex]
[tex] \frac{5}{8} \times \frac{2}{5} = \frac{1}{8} \times \frac{2}{1} = \frac{2}{8} [/tex]
[tex]b.[/tex]
[tex] \frac{1}{2} \times \frac{5}{6} = \frac{5}{12} [/tex]
[tex] \frac{5}{6} \times \frac{9}{10} = \frac{1}{2} \times \frac{3}{2} = \frac{3}{4} [/tex]
[tex]c.[/tex]
[tex] \frac{3}{4} \times 2 \frac{1}{3} = \frac{3}{4} \times \frac{7}{3} = \frac{1}{4} \times \frac{7}{1} = \frac{7}{4} = 1 \frac{3}{4} [/tex]
[tex]3 \frac{1}{3} \times \frac{2}{10} = \frac{10}{3} \times \frac{2}{10} = \frac{1}{3} \times \frac{2}{1} = \frac{2}{3} [/tex]
[tex]d.[/tex]
[tex]1 \frac{2}{3} \times 1 \frac{4}{5} = \frac{5}{3} \times \frac{9}{5 } = \frac{1}{1} \times \frac{3}{1} = \frac{3}{1 } = 3[/tex]
[tex]2 \frac{1}{4} \times 1 \frac{3}{5} = \frac{9}{4} \times \frac{8}{5} = \frac{9}{1} \times \frac{2}{5} = \frac{18}{5} = 3 \frac{3}{5} [/tex]