Odpowiedź:
[tex]a)4 \times 3 \frac{1}{2} = \frac{4}{1} \times \frac{7}{2} = \frac{14}{1} = 14[/tex]
[tex]3 \times 5 \frac{1}{2} = \frac{3}{1} \times \frac{11}{2} = \frac{33}{2} = 16 \frac{1}{2} [/tex]
[tex]5 \times 4 \frac{1}{5} = \frac{5}{1} \times \frac{21}{5} = \frac{21}{1} = 21[/tex]
[tex]b)2 \times 1 \frac{2}{3} = \frac{2}{1} \times \frac{5}{3} = \frac{10}{3} = 3 \frac{1}{3} [/tex]
[tex]2 \times 1 \frac{2}{8} = \frac{2}{1} \times \frac{10}{8} = \frac{10}{4} = 2 \frac{2}{4} = 2 \frac{1}{2} [/tex]
[tex]2 \times 2 \frac{3}{4} = \frac{2}{1} \times \frac{11}{4} = \frac{11}{2} = 5 \frac{1}{2} [/tex]
[tex]c)3 \times 1 \frac{1}{3} = \frac{3}{1} \times \frac{4}{3} = \frac{4}{1} = 4[/tex]
[tex]3 \times 2 \frac{2}{3} = \frac{3}{1} \times \frac{8}{6} = \frac{8}{2} = 4[/tex]
[tex]3 \times 2 \frac{1}{6} = \frac{3}{1} \times \frac{13}{6} = \frac{13}{3} = 4 \frac{1}{3} [/tex]
[tex]d)4 \times 2 \frac{1}{4} = \frac{4}{1} \times \frac{9}{4} = \frac{9}{1} = 9[/tex]
[tex]4 \times 2 \frac{3}{4} = \frac{4}{1} \times \frac{11}{4} = \frac{11}{1} = 11[/tex]
[tex]4 \times 1 \frac{1}{7} = \frac{4}{1} \times \frac{8}{7} = \frac{32}{7} = 4 \frac{4}{7} [/tex]
Pozdrawiam.
