Question

(3/5 + 4/5) x 2 bằng bao nhiêu

Answer 1

14/5

Answer 2

14/5

Answer 3

14/5

Answer 4

\(\left(\dfrac{3}{5}+\dfrac{4}{5}\right)x2=\dfrac{3+4}{5}x2=\dfrac{7}{5}x2=\dfrac{7x2}{5}=\dfrac{14}{5}\)