Question

Sendo A = -5, B = +5 e C = -10 calcule o valor de:
a A +B=
b) A - B =
c) A+C =
d) A+B-C=​

Answer 1

Resposta:

a) -5 + ( +5) = 0

b) -5 - (+5) = -10

c) -5 + (-10)= -15

d) -5 + (+5) - (-10) = 10