Question

(+6)-(-7)=
(+5)-(+2)=
(+7)+(-4)=
(-8)+(+2)=
(+6)+(-5)=
(-5)+(+5)=​
(-5)-(-4)=
(-7)-(+5)=

Answer 1

a) +6+7= 13.
b) +5-2= 3.
c) +7-4= 3.
d) -8+2= -6.
e) +6-5= 1.
f) -5+5= 0.
g) -5+4= -1.
h) -7-5= -12.