👤

Aratati ca [tex] 2^{-1} + 2^{-2} =0,75[/tex]

Răspuns :

[tex] 2^{-1} + 2^{-2} = \frac{1}{2} + \frac{1}{ 2^{2} } = \frac{1}{2} + \frac{1}{4} =0.5+0.25=0.75[/tex]
2⁻¹ +2⁻² = 1/2 + 1/2² = 1/2 +1/4=0,5+0,25=0,75