Question

a) -23 + 14 - 36 + 40 + 15. b) 10 - 5 + 7 - 15 + 20 - 15. c) - 41 + 38 +12 - 36 + 1 . d) -6 + 4 - 10 + 3 - 7 + 1 + 3 CORONITAA

Answer 1

$a).-23 + 14 - 36 + 40 + 15 = \\ =-9-36+40+15= \\ =-45+40+15= \\ =-5+15= \\ =10 \\ b).10 - 5 + 7 - 15 + 20 - 15= \\ =5+7-15+20-15= \\ =12-15+20-15= \\ =-3+20-15= \\ =17-15= \\ =2$
$c).- 41 + 38 +12 - 36 + 1 = \\ =-3+12-36+1= \\ =9-36+1= \\ =-27+1= \\ =-26 \\ d).-6 + 4 - 10 + 3 - 7 + 1 + 3= \\ =-2-10+3-7+1+3= \\ =-12+3-7+1+3= \\ =-9-7+1+3= \\ =-16+1+3= \\ =-15+3= \\ =-12$

Answer 2

A) - 23 - 36 + 14 + 40 + 15 =
- 59 + 69 = 
10
B) 10 + 7 + 20 - 5 - 15 - 15 =
37 - 35 = 
2
C) - 41 - 36 + 38 + 12 + 1 =
- 77 + 51 = 
- 26
D) - 6 - 10 - 7 + 4 + 3 + 1 + 3 = 
- 23 + 11 =
- 12