\(a,\dfrac{7}{5}-\dfrac{1}{2}\times\dfrac{2}{3}=\dfrac{7}{5}-\dfrac{1}{3}=\dfrac{21}{15}-\dfrac{5}{15}=\dfrac{16}{15}\)
\(b,x:5=\dfrac{11}{6}\)
\(x=\dfrac{11}{6}\times5\)
\(x=\dfrac{55}{6}\)
a) \(\dfrac{7}{5}-\dfrac{1}{2}\times\dfrac{2}{3}\)
\(=\dfrac{7}{5}-\dfrac{1}{3}\)
\(=\dfrac{16}{15}\)
b) \(x\div5=\dfrac{7}{6}+\dfrac{2}{3}\)
\(x\div5=\dfrac{11}{6}\)
\(x=\dfrac{11}{6}\times5\)
\(x=\dfrac{55}{6}\)