Question

Tính:

\(\dfrac{2}{3}\)- \(\dfrac{5}{7}\). \(\dfrac{14}{25}\)

Answer 1

\(\dfrac{2}{3}-\dfrac{5}{7}\cdot\dfrac{14}{25}\\ =\dfrac{2}{3}-\dfrac{2}{5}\\ =\dfrac{10}{15}-\dfrac{6}{15}\\ =\dfrac{4}{15}\)

Answer 2

\(\dfrac{2}{3}-\dfrac{5}{7}.\dfrac{14}{25}\)

\(=\dfrac{2}{3}-\dfrac{2}{5}\)

\(=\dfrac{4}{15}\)

Bài này dễ mà bạn

Answer 3

\(\dfrac{2}{3}\) - \(\dfrac{5}{7}\). \(\dfrac{14}{25}\) = \(\dfrac{2}{3}\) - \(\dfrac{2}{5}\) = \(\dfrac{4}{15}\)

Tick nha, bài dễ mà!!!