Odpowiedź:
zad1
[tex]2,5+1\frac{1}{4} =2,5+1,25=3,75[/tex]
[tex]1,8*\frac{2}{100} =\frac{18}{10}*\frac{2}{100} =\frac{36}{1000} =0,036=\frac{9}{250}[/tex]
[tex]8\frac{4}{5} :11=\frac{44}{5} *\frac{1}{11} =\frac{4}{5}[/tex]
[tex]4\frac{1}{3} -2,4=4\frac{1}{3} -2\frac{4}{10} =4\frac{1}{3}-2\frac{2}{5} =4\frac{5}{15}-2\frac{6}{15}=3\frac{20}{15} -2\frac{6}{15} =1\frac{14}{15}[/tex]
[tex]1\frac{2}{7} *\frac{14}{27} =\frac{9}{7}*\frac{14}{27} =\frac{2}{3}[/tex]
[tex]6,5:\frac{1}{2} =6,5*2=13[/tex]
Szczegółowe wyjaśnienie:
