Question

[le thi thuy trang]

tính bằng cách thuận tiện :

a)\(\frac{37}{25}:\frac{5}{4}:\frac{74}{25}\)

\(\frac{6}{11}:\frac{4}{3}:\frac{5}{11}:\frac{4}{3}\)

Answer 1

[Nguyễn Lê Phước Thịnh]

a: \(=\dfrac{37}{25}\cdot\dfrac{25}{74}\cdot\dfrac{4}{5}=\dfrac{1}{2}\cdot\dfrac{4}{5}=\dfrac{2}{5}\)

b: \(=\dfrac{6}{11}\cdot\dfrac{11}{5}:\dfrac{16}{9}=\dfrac{6}{5}\cdot\dfrac{9}{16}=\dfrac{54}{80}=\dfrac{27}{40}\)