Question

scrie nr 2015 ca ca suma de puteri ale lui 2

Answer 1

2015=$2^{0} +2014=$
$=2^{10} + 2^{9} + 2^{8} +2^{7} +2^{6} +2^{5} +2^{4} +2^{3} +2^{2} +2^{1} +2^{0}$