الصيغة 1احسب :
\( \left(\dfrac{1}{2}-\dfrac{2}{658}\right)+\left(\dfrac{2}{3}+\dfrac{2}{658}\right) \)
✅ التصحيح
بتطبيق: (a-c)+(b+c) = a+b [c يختصر]
\( \left(\dfrac{1}{2}-\dfrac{2}{658}\right)+\left(\dfrac{2}{3}+\dfrac{2}{658}\right) = \dfrac{1}{2}+\dfrac{2}{3} = \dfrac{7}{6} \)