Question

-| 28 + { ( 15+8) + (23-25)-(18-15) + (19. 3) }+13|

Answer 1

-I 28{(15+18)+(23-25)-(18-15)+(19*2)}+13 I
-I 28+{23-2-3+57}+13 I
-I 28+75+13 I
 -(116)= -116