Ответ:

  1. \(1\frac{2}{5}=\frac75=\frac{14}{10}=\frac{21}{15}=\ldots\)
  2. \(0,3=\frac3{10}=\frac6{20}=\frac9{30}=\ldots\)
  3. \(-3\frac14=-\frac{13}{4}=-\frac{26}{8}=-\frac{39}{12}=\ldots\)
  4. \(-27=\frac{-27}{1}=\frac{-54}{2}=\frac{-81}{3}=\ldots\)
  5. \(0=\frac01=\frac02=\frac03=\ldots\)