Ответ:

  1. \(0.78+1.035=0.780+1.035=1.815\).
  2. \(2.15\cdot1.1=2.365\).
  3. \(10.043-7.43=10.043-7.430=2.613\).
  4. \(13.1-7.53=13.10-7.53=5.57\).
  5. \(3+17.7=20.7\).
  6. \(0.14\cdot0.2=0.028\).
  7. \(4.4:0.01=440\).
  8. \(16.39-1.19=15.20=15.2\).

Ответ: 1) 1,815; 2) 2,365; 3) 2,613; 4) 5,57; 5) 20,7; 6) 0,028; 7) 440; 8) 15,2.