Question

c) -13+7-2-8+15-1

d)-2-4-1

e) +22-3-14-5+24+12

f)12-7+3​

Answer 1

c) -6-2-8+15-1
-8-8+15-1
-16-15+1
-1+1
(0)

d) -2-4-1
(-7)

e) 22-3-14-5+24+12
+5-5+24+12
24+12
(36)

f) 12-7+3
5+3
(8)