[tex](-2)^{0}[/tex] = 1 = k
[tex]2^{l}[/tex] = 2 -> [tex]2^{1}[/tex] = 2
[tex]m^{1}[/tex] = 2 -> [tex]2^{1}[/tex] = 2
k = 1
l = 1
m = 2
k - l - m = 1 - 1 - 2 = -2
Odp A