Question

ko viết mỗi kq 

Answer 1

e: \(=\dfrac{-5}{4}:\dfrac{-5}{8}+\dfrac{3}{2}\cdot\dfrac{-1}{2}=\dfrac{5}{4}\cdot\dfrac{8}{5}-\dfrac{3}{4}=2-\dfrac{3}{4}=\dfrac{5}{4}\)

f: \(=\dfrac{15}{7}\cdot\left(-7\right)\cdot\dfrac{-1}{10}=15\cdot\dfrac{1}{10}=\dfrac{3}{2}\)

g: \(=\dfrac{7}{10}\cdot\dfrac{-8}{7}:\dfrac{8}{15}-\dfrac{1}{3}\cdot\dfrac{1}{4}=\dfrac{-4}{5}\cdot\dfrac{15}{8}-\dfrac{1}{12}=\dfrac{-3}{2}-\dfrac{1}{12}=\dfrac{-19}{12}\)