Question

Calcule as somas abaixo:

A)(-23)+(+13)=

B)(+47)+(-31)=

C)(+23)+(+47)=

D)(-47)+(+31)=

E)(+73)+(-73)=

F)(+31)+(-47)=

Answer 1

A) -23 + 13 = -10
B) 47 - 31 = 16
C) 23 + 47 = 70
D) -47 + 31 = -16
E) 73 - 73 = 0
F) 31 - 47 = -16

Answer 2

A)-10/B)16/C)70/D)-16/E)0/F)-16