Ответ:

  1. 532 + 54 = 532 + 50 + 4 = 586.
  2. 632 + 87 = 632 + 80 + 7 = 719.
  3. 963 − 59 = 963 − 60 + 1 = 904.
  4. 72 + 307 = 72 + 300 + 7 = 379.
  5. 99 + 295 = 100 + 295 − 1 = 394.