Ответ:

  1. +4 - (-96) = 4 + 96 = 100.
  2. (-1) - (-99) = -1 + 99 = 98.
  3. (+48) - (-5) = 48 + 5 = 53.
  4. 34 - (+34) = 34 - 34 = 0.
  5. -41 - 41 = -82.
  6. (-67) - (+22) = -67 - 22 = -89.
  7. +46 - (-46) = 46 + 46 = 92.
  8. -35 - 65 = -100.
  9. (-33) - 0 = -33.
  10. (+57) - (+24) = 57 - 24 = 33.
  11. 0 - 84 = -84.
  12. -31 - (-31) = -31 + 31 = 0.

Ответ: 1) 100; 2) 98; 3) 53; 4) 0; 5) -82; 6) -89; 7) 92; 8) -100; 9) -33; 10) 33; 11) -84; 12) 0.