Odpowiedź:
zad 10
pkt B
[tex]\frac{4}{7}:3,2=\frac{4}{7}:\frac{32}{10}=\frac{4/4}{7}*\frac{10}{32/4}=\frac{10}{56}=\frac{5}{28}[/tex]
[tex]1,8:\frac{2}{5}=\frac{18/2}{10/5}*\frac{5/5}{2/2}=\frac{9*1}{2*1}=\frac{9}{2}=4,5[/tex]
[tex]2,4:\frac{1}{2}=\frac{24}{10}*2=\frac{48}{10}=4,8=4\frac{4}{5}[/tex]
[tex]5,5:2\frac{3}{4}=\frac{55}{10}:\frac{11}{4}=\frac{11}{2}*\frac{4}{11}=\frac{4}{2}=2[/tex]
[tex]2\frac{1}{4}:0,75=\frac{9}{4}:\frac{3}{4}=\frac{9}{4}*\frac{4}{3}=\frac{9}{3}=3[/tex]
Szczegółowe wyjaśnienie:
