\(\left(\dfrac{7}{3}-\dfrac{7}{6}\right)\times\dfrac{2}{7}=\dfrac{7}{3}\times\dfrac{2}{7}-\dfrac{7}{6}\times\dfrac{2}{7}=\dfrac{2}{3}-\dfrac{2}{6}=\dfrac{2\times2-2}{6}=\dfrac{2}{6}=\dfrac{1}{3}\)
Đúng 0
Bình luận (0)
\(\left(\dfrac{7}{3}-\dfrac{7}{6}\right)\times\dfrac{2}{7}\)
\(=\left(\dfrac{14}{6}-\dfrac{7}{6}\right)\times\dfrac{2}{7}\)
\(=\dfrac{7}{6}\times\dfrac{2}{7}\)
\(=\dfrac{1}{3}\)
Đúng 0
Bình luận (0)
