Ответ:

  1. 35 + 18 + 15 + 32 = (35 + 15) + (18 + 32) = 50 + 50 = 100.
  2. 33 + 29 + 17 + 21 = (33 + 17) + (29 + 21) = 50 + 50 = 100.
  3. 34 + 21 + 19 + 26 = (34 + 26) + (21 + 19) = 60 + 40 = 100.
  4. 31 + 10 + 19 + 40 = (31 + 19) + (10 + 40) = 50 + 50 = 100.

Ответ: 100; 100; 100; 100.