Выполни действия 1) \dfrac{3}{5} - \dfrac{1}{5} + \dfrac{2}{5}= . 2) \dfrac{3}{7} +\dfrac{5}{7} -\dfrac{1}{7}= . 3) \dfrac{1}{4} +\dfrac{1}{3}= . 4) \dfrac{2}{9} -\dfrac{1}{6}= . 5) \dfrac{3}{10}+ \dfrac{2}{15}= . 6) \dfrac{5}{6} -\dfrac{3}{8}= .

Задание

Выполни действия

\(\dfrac{3}{5} - \dfrac{1}{5} + \dfrac{2}{5}=\) [ ].
\(\dfrac{3}{7} +\dfrac{5}{7} -\dfrac{1}{7}=\) [ ].
\(\dfrac{1}{4} +\dfrac{1}{3}=\) [ ].
\(\dfrac{2}{9} -\dfrac{1}{6}=\) [ ].
\(\dfrac{3}{10}+ \dfrac{2}{15}=\) [ ].
\(\dfrac{5}{6} -\dfrac{3}{8}=\) [ ].