الصيغة 1احسب :
\( \left(\dfrac{5}{8}+\dfrac{7}{722}\right)-\left(\dfrac{7}{12}+\dfrac{7}{722}\right) \)
✅ التصحيح
بتطبيق: (a+c)−(b+c) = a−b [c يختصر]
\( \left(\dfrac{5}{8}+\dfrac{7}{722}\right)-\left(\dfrac{7}{12}+\dfrac{7}{722}\right) = \dfrac{5}{8}-\dfrac{7}{12} = \dfrac{1}{24} \)