Ответ:

  1. \(\frac{12}{6}=2\).
  2. \(\frac1{11}-\frac47=-\frac{37}{77}\).
  3. \(8-3=5\).
  4. \(5+7+2\sqrt{35}=12+2\sqrt{35}\).
  5. \(0{,}5\cdot0{,}2-\frac12\cdot6=0{,}1-3=-2{,}9\).
  6. \(2\sqrt3+10\sqrt3-8\sqrt3=4\sqrt3\).
  7. \(\sqrt{1{,}44}=1{,}2\).
  8. \(16\cdot3=48\).