Ответ:

  1. \(37.572+15.728=53.300\).
  2. \(244.47+62.56=307.03\).
  3. \(55.567+25.230=80.797\).
  4. \(42.342+9.880=52.222\).
  5. \(454.532-232.442=222.090\).
  6. \(46.185-19.650=26.535\).
  7. \(111.37-56.60=54.77\).
  8. \(45.130-4.513=40.617\).