Ответ:

  1. 38 + 27 + 62 = (38 + 62) + 27 = 100 + 27 = 127.
  2. 125 + 48 + 75 = (125 + 75) + 48 = 200 + 48 = 248.
  3. 246 + 137 + 54 + 63 = (246 + 54) + (137 + 63) = 300 + 200 = 500.
  4. 19 + 56 + 81 + 44 = (19 + 81) + (56 + 44) = 100 + 100 = 200.