Question

Sabendo que a = -82, b = +65, c = +100 e d = -91 calcule o valor de:
A) a + b
B) c + d
C) a + c
D) b + d
E) a + d
F) a + b + c + d

Answer 1

a) - 17

( - 82 ) + ( + 65 ) = - 17

b) 9

( + 100 ) + ( - 91 ) = 9

c) 18

( - 82 ) + ( + 100 ) = 18

d) - 26

( + 65 ) + ( - 91 ) = - 26

e) - 173

( - 82 ) + ( - 91 ) = - 173

f) - 8

( - 82 ) + ( + 65 ) + ( + 100 ) + ( - 91 ) = - 8