Условие:

(3530) + 8;
(7670) + 9;
17 + 2 + 18 + 3;
2032 + 5.

(3530) + 8 = 5 + 8 = 13
 
(7670) + 9 = 6 + 9 = 15
 
17 + 2 + 18 + 3 = (17 + 3) + (2 + 18) = 20 + 20 = 40
 
2032 + 5 = 20 − (3 + 2) + 5 = 205 + 5 = 20