Question

1) Calcule as expressões:

a) (-15+4) + [-18+(-3-7+5)]
b) –1 + [1 + (1 – 1) –11

c) –1 +(-2+5)+[-4+(-6+5-8)]
d) - 4 + 5 - 5 + 4 - 3 + 9 + 3​

Answer 1

Resposta:

a) (-15+4) + [-18+(-3-7+5)] = -34

b) –1 + [1 + (1 – 1) –11 = -11

c) –1 +(-2+5)+[-4+(-6+5-8)]  = -7

d) - 4 + 5 - 5 + 4 - 3 + 9 + 3​ = 9