Question

scrie numarul 31 ca o suma de puteri ale lui 2

Answer 1

2⁰+2¹+2²+2³+2⁴=1+2+4+8+16=31

Answer 2

$\it 31= 2^3+2^3+2^3+2^2+2^0+2\\ \\ 31= 2^3+2+2^3+2+2^3+2+2^0$