الصيغة 1احسب :
\( \left(\dfrac{2}{11}-\dfrac{10}{833}\right)-\left(\dfrac{1}{10}-\dfrac{10}{833}\right) \)
✅ التصحيح
بتطبيق: (a-c)−(b-c) = a−b [c يختصر]
\( \left(\dfrac{2}{11}-\dfrac{10}{833}\right)-\left(\dfrac{1}{10}-\dfrac{10}{833}\right) = \dfrac{2}{11}-\dfrac{1}{10} = \dfrac{9}{110} \)