Question

scrie numarul 9 ca o suma de puteri cu baza 2.(enumera toate posibilitatile) va rog ajutati ma?

Answer 1

$9 = {2}^{3} + {2}^{0} = 8 + 1 \\ 9 = {2}^{2} + {2}^{2} + {2}^{0} = 4 + 4 + 1 \\ 9 = {2}^{2} + {2}^{1} + {2}^{1} + {2}^{0} = 4 + 2 + 2 + 1 \\ {2}^{1} + {2}^{1} + {2}^{1} + {2}^{1} + {2}^{0} = 2 + 2 + 2 + 2 + 1$