Question

Answer 1

a: \(=\dfrac{1}{2}+\dfrac{5}{6}\cdot\dfrac{17}{5}\)

\(=\dfrac{15}{30}+\dfrac{85}{30}=\dfrac{100}{30}=\dfrac{10}{3}\)

b: \(=\dfrac{1}{3}-\dfrac{5}{6}\cdot\dfrac{7}{5}=\dfrac{1}{3}-\dfrac{7}{6}=\dfrac{-5}{6}\)

c: \(=\dfrac{3}{4}+\dfrac{1}{4}\cdot\left(-3\right)=0\)

d: \(=3-\dfrac{9}{5}\cdot\dfrac{-4}{3}=3+\dfrac{36}{15}=\dfrac{81}{15}=5.4\)

Answer 2

a: =1530+8530=10030=103=1530+8530=10030=103

b: =34+14⋅(−3)=0=34+14⋅(−3)=0

d: