Question

Sabendo que a = -82, b = +65, c = +100 e d = -91. Calcule o valor de: a) a + b b) c + d c) b + d d) a + b + c + d

Answer 1

a) -82 + 65 = -17
b) +100 - 91= 100 - 91 = +9
c) +65 - 91 = -26
d) -82 + 65 + 100 - 91 = +156