-32+ (78-9)= -32+69= 37
-63-(-63+1)= -63-(-62) = -63+62= -1
(37-49)-(87-59)= (-12) -28= -12-28= -40
-(-35+2)+(-35-8)= -(-33)+(-43)= 33-43= -10
-32+ (78-9)= -32+69= 37
-63-(-63+1)= -63-(-62) = -63+62= -1
(37-49)-(87-59)= (-12) -28= -12-28= -40
-(-35+2)+(-35-8)= -(-33)+(-43)= 33-43= -10