Вопрос:

Выполните вычисления: 28+41; 34+30; 63−58; 77−44; 50+27; 45+6; 37+22; 44+18; 55+22; 20+47; 38−18; 44+7; 36−26; 27+15; 28+12; 52+9; 45+15; 15+44; 52−28; 27−7; 27+6; 54−4; 55−25; 67−65; 21−19; 54−34; 81−77; 49−24; 40−5; 17+11; 11+4; 22−4; 36+6; 19+19; 15+14; 12+14; 24−12; 100−72; 2+33.

Ответ:

  1. \(28+41=69\)
  2. \(34+30=64\)
  3. \(63-58=5\)
  4. \(77-44=33\)
  5. \(50+27=77\)
  6. \(45+6=51\)
  7. \(37+22=59\)
  8. \(44+18=62\)
  9. \(55+22=77\)
  10. \(20+47=67\)
  11. \(38-18=20\)
  12. \(44+7=51\)
  13. \(36-26=10\)
  14. \(27+15=42\)
  15. \(28+12=40\)
  16. \(52+9=61\)
  17. \(45+15=60\)
  18. \(15+44=59\)
  19. \(52-28=24\)
  20. \(27-7=20\)
  21. \(27+6=33\)
  22. \(54-4=50\)
  23. \(55-25=30\)
  24. \(67-65=2\)
  25. \(21-19=2\)
  26. \(54-34=20\)
  27. \(81-77=4\)
  28. \(49-24=25\)
  29. \(40-5=35\)
  30. \(17+11=28\)
  31. \(11+4=15\)
  32. \(22-4=18\)
  33. \(36+6=42\)
  34. \(19+19=38\)
  35. \(15+14=29\)
  36. \(12+14=26\)
  37. \(24-12=12\)
  38. \(100-72=28\)
  39. \(2+33=35\)