d)
[tex]2 \frac{1}{5} \times 3 = \frac{11}{5} \times \frac{3}{1} = \frac{33}{5} = 6 \frac{3}{5} [/tex]
e)
[tex]5 \times 10 \frac{1}{2} = \frac{5}{1} = \frac{21}{2} = \frac{105}{2} = 52 \frac{1}{2} [/tex]
f)
[tex]10 \times 8 \frac{2}{3} = \frac{10}{1} \times \frac{26}{3} = \frac{260}{3} = 86 \frac{2}{3} [/tex]
g)
[tex]5 \times \frac{7}{10} = \frac{5}{1} \times \frac{7}{10} = 1 \times \frac{7}{2} = \frac{7}{2} = 3 \frac{1}{2} [/tex]
h)
[tex] \frac{2}{7} \times 14 = \frac{2}{7} \times \frac{14}{1} = \frac{2}{1} \times \frac{2}{1} = 4[/tex]
i)
[tex] \frac{2}{18} \times 12 = \frac{2}{18} \times \frac{12}{1} = \frac{2}{3} \times \frac{2}{1} = \frac{4}{3} = 1 \frac{1}{3} [/tex]
j)
[tex]4 \times 5 \frac{5}{12} = \frac{4}{1} \times \frac{65}{12} = 1 \times \frac{65}{3} = \frac{65}{3} = 21 \frac{2}{3} [/tex]
k)
[tex]6 \frac{2}{8} \times 6 = \frac{50}{8} \times \frac{6}{1} = \frac{50}{4} \times \frac{3}{1} = \frac{150}{4} = 37 \frac{2}{4} = 37 \frac{1}{2} [/tex]
l)
[tex]3 \times 5 \frac{5}{6} = \frac{3}{1} \times \frac{35}{6} = 1 \times \frac{35}{2} = \frac{35}{2} = 17 \frac{1}{2} [/tex]
Myślę że pomogłem ;)
