Ответ:

  1. \(49.14:2.5=491.4:25=19.656\);
  2. \(67.65:3.3=676.5:33=20.5\);
  3. \(851:2.3=8510:23=370\);
  4. \(1.624:5.6=16.24:56=0.29\);
  5. \(43.8:0.02=4380:2=2190\);
  6. \(0.2205:14.7=2.205:147=0.015\);
  7. \(19.712:2.8=197.12:28=7.04\);
  8. \(9:0.0032=90000:32=2812.5\).

Ответ: 19,656; 20,5; 370; 0,29; 2190; 0,015; 7,04; 2812,5.