\(\dfrac{2}{2}\) + \(\dfrac{2}{7}\) = \(\dfrac{14}{14}\) + \(\dfrac{4}{14}\) = \(\dfrac{18}{14}\)
Đúng 0
Bình luận (0)
\(\dfrac{2}{2}\) + \(\dfrac{2}{7}\) = \(\dfrac{14}{14}\) + \(\dfrac{4}{14}\) = \(\dfrac{18}{14}\)