Question

Tính giá trị biểu thức sau:

\(\dfrac{2}{5}x\dfrac{4}{3}:\dfrac{2}{15}+\dfrac{3}{5}\)=??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Answer 1

\(=\dfrac{8}{15}:\dfrac{2}{15}+\dfrac{3}{5}=4+\dfrac{3}{5}=\dfrac{20}{5}+\dfrac{3}{5}=\dfrac{23}{5}\)

Answer 2

\(=\dfrac{8}{15}\times\dfrac{15}{2}+\dfrac{3}{5}=\dfrac{20}{5}+\dfrac{3}{5}=\dfrac{23}{5}\)

Answer 3

23/5