Ответ:

  1. \(261.6:6=43.6\);
  2. \(17.78:7=2.54\);
  3. \(823.4:23=35.8\);
  4. \(316.02:46=6.87\);
  5. \(827.4:84=9.85\);
  6. \(26.03:95=0.274\);
  7. \(4.8:32=0.15\);
  8. \(23:40=0.575\).

Ответ: 43,6; 2,54; 35,8; 6,87; 9,85; 0,274; 0,15; 0,575.