Question

\(\dfrac{\dfrac{-1}{5}+\dfrac{1}{7}+\dfrac{1}{8}}{\dfrac{3}{8}-0,6+\dfrac{3}{7}}+\dfrac{\dfrac{1}{2}+\dfrac{1}{3}-0,2}{\dfrac{3}{4}-\dfrac{3}{10}+\dfrac{1}{2}}\)

Nhờ mọi người giúp nhé

Answer 1

Answer 2

\(=\dfrac{-\dfrac{1}{5}+\dfrac{1}{7}+\dfrac{1}{8}}{\dfrac{-3}{5}+\dfrac{3}{7}+\dfrac{3}{8}}+\dfrac{\dfrac{1}{2}+\dfrac{1}{3}-\dfrac{1}{5}}{\dfrac{3}{4}+\dfrac{3}{6}-\dfrac{3}{10}}\)

\(=\dfrac{-1}{-3}+1:\dfrac{3}{2}=\dfrac{1}{3}+\dfrac{2}{3}=1\)