Ответ:
[tex]\frac{1}{3}[/tex]
Пошаговое объяснение:
[tex]1-(\frac{2}{5}+\frac{4}{15})=1-(\frac{2\cdot3}{5\cdot3}+\frac{4}{15})=1-(\frac{2}{5}+\frac{4}{15})=1-(\frac{6}{15}+\frac{4}{15})=\frac{15}{15}-\frac{10}{15}=\frac{5}{15}=\frac{1}{3}[/tex]
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Ответ:
[tex]\frac{1}{3}[/tex]
Пошаговое объяснение:
[tex]1-(\frac{2}{5}+\frac{4}{15})=1-(\frac{2\cdot3}{5\cdot3}+\frac{4}{15})=1-(\frac{2}{5}+\frac{4}{15})=1-(\frac{6}{15}+\frac{4}{15})=\frac{15}{15}-\frac{10}{15}=\frac{5}{15}=\frac{1}{3}[/tex]