Ответ:
\(\frac{12}{11}-\frac{17}{10}=\frac{120-187}{110}=-\frac{67}{110}\).
\(-\frac{67}{110}:\frac{5}{22}=-\frac{67}{110}\cdot\frac{22}{5}=-\frac{67}{25}=-2.68\).
Ответ: −2,68
\(\frac{12}{11}-\frac{17}{10}=\frac{120-187}{110}=-\frac{67}{110}\).
\(-\frac{67}{110}:\frac{5}{22}=-\frac{67}{110}\cdot\frac{22}{5}=-\frac{67}{25}=-2.68\).
Ответ: −2,68