Question

Calcule as subtrações:
a) ( + 17 ) - ( - 14 ) =
b) ( - 13 ) - ( - 17 ) =
c) ( + 18 ) - ( + 12 ) =
d) ( - 15 ) - ( + 15 ) =
e) ( - 18 ) - ( + 12 ) =
f) ( - 12 ) - ( + 15 ) =
g) ( + 16 ) - ( - 15 ) =
h) ( + 13 ) - ( - 14 ) =

Answer 1

Resposta:

a) ( + 17 ) - ( - 14 ) = 31

b) ( - 13 ) - ( - 17 ) = 4

c) ( + 18 ) - ( + 12 ) = 6

d) ( - 15 ) - ( + 15 ) = -30

e) ( - 18 ) - ( + 12 ) = -30

f) ( - 12 ) - ( + 15 ) = -27

g) ( + 16 ) - ( - 15 ) = 31

h) ( + 13 ) - ( - 14 ) = 27