Question

help! cât face?
${2}^{3} - {2}^{2} - { 2}^{1} - {2}^{0}$

Answer 1

8-4-2-1=1. Sper ca te-am ajutat :)

Answer 2

$2^3-2^2-2^1-2^0=2^{(3-2-1-0)}=2^0=1 \\\\ sau \\\\ 2^3-2^2-2^1-2^0=8-4-2-1=4-3=1$