[tex] \frac{5}{8} - \frac{5}{9} [/tex] × 0,3=[tex] \frac{5}{8} - \frac{5}{9} [/tex] × [tex] \frac{3}{10} [/tex] [tex] \frac{5}{8} - \frac{1}{3} × \frac{1}{2} [/tex]= [tex] \frac{5}{8}- \frac{1}{6} = \frac{15}{24} - \frac{4}{24} = \frac{11}{24} [/tex]
11/24 x (-1)= -11/24
[tex] (\frac{1}{2}- \frac{1}{3} )^{2} :0,25=( \frac{3}{6}- \frac{2}{6})^{2} : \frac{25}{100} = (\frac{1}{6})^{2} × \frac{100}{25}= \frac{1}{36} × \frac{100}{25}= [/tex] [tex] \frac{1}{9} \frac{20}{25} = \frac{1}{9} × \frac{4}{5} = \frac{4}{45} [/tex]
