الصيغة 1احسب :
\( \left(\dfrac{8}{11}+\dfrac{19}{574}\right)+\left(\dfrac{5}{9}-\dfrac{19}{574}\right) \)
✅ التصحيح
بتطبيق: (a+c)+(b-c) = a+b [c يختصر]
\( \left(\dfrac{8}{11}+\dfrac{19}{574}\right)+\left(\dfrac{5}{9}-\dfrac{19}{574}\right) = \dfrac{8}{11}+\dfrac{5}{9} = \dfrac{127}{99} \)