الصيغة 1احسب :
\( \left(\dfrac{5}{7}-\dfrac{28}{602}\right)+\left(\dfrac{2}{4}+\dfrac{28}{602}\right) \)
✅ التصحيح
بتطبيق: (a-c)+(b+c) = a+b [c يختصر]
\( \left(\dfrac{5}{7}-\dfrac{28}{602}\right)+\left(\dfrac{2}{4}+\dfrac{28}{602}\right) = \dfrac{5}{7}+\dfrac{2}{4} = \dfrac{17}{14} \)