Ответ:
\(11\frac{2}{3}-1\frac{1}{5}-2\frac{1}{30}=8+\frac{20}{30}-\frac{6}{30}-\frac{1}{30}=8\frac{13}{30}\).
Ответ: \(8\frac{13}{30}\).
\(11\frac{2}{3}-1\frac{1}{5}-2\frac{1}{30}=8+\frac{20}{30}-\frac{6}{30}-\frac{1}{30}=8\frac{13}{30}\).
Ответ: \(8\frac{13}{30}\).