Question

a) -9 + (-3) =
b) -6 - (-4)=
c) 12 + (-8) =
d) 15 - (+7) =
e) -20 + (+11) =​

Answer 1

Respuesta:

-9+3= -12

-6+4= -10

12+18= -30

15+7= 22

-20+11= -31

Answer 2

Respuesta:

a) -9 + (-3) = 12

b) -6 - (-4)=  -2

c) 12 + (-8) = 4

d) 15 - (+7) = 8