Question

a) (+ 2) + (– 5) + (+ 7) – (– 6) – (+ 8) + (– 1) =

b) (– 7) – (– 3) – (+ 4) + (– 5) + (+ 1) – (– 8) =

c) (– 8) – (+ 2) – (– 5) + (– 9) + (+ 4) – (– 7) =

d) (+ 5) + (– 9) – (– 2) – (+ 3) – (– 8) + (– 1) =

e) (– 6) + (– 3) – (– 8) + (+ 5) + (– 7) – (– 1) =

f) (+ 8) – (– 5) + (– 4) + (– 2) – (– 3) – (+ 7) =

g) (– 5) + (– 2) – (– 7) + (+ 6) + (– 3) – (– 8) =

h) (– 2) + (+ 5) – (– 6) + (– 8) – (+ 7) – (– 3) =

i) (– 8) – (– 3) – (+ 7) + (+ 6) + (+ 5) – (– 4) =

j) (– 6) + (– 3) – (– 8) – (+ 7) + (– 5) + (+ 2) =

Answer 1

A) 2-5+7+6-8-1= +15-14= 1
B) -7+3-4-5+1+8= -16+12= -4
C) -8-2+5-9+4+7= -19+16= -3
D) 5-9+2-3+8-1= 15-13=2
E) -6-3+8+5-7+1= -16+9= -7
F) 8+5-4-2+3-7= 16-13=3
G) -5-2+7+6-3+8= -10+21= 11
H) -2+5+6-8-7+3= 14-17=-3
I) -8+3-7+6+5+4= -15+18= 3
J) -6-3+8-7-5+2= -9+1-3= -12+1= -11