Tính: D = \(\frac{1}{2}\) + \(\frac{2}{2^2}\) + \(\frac{3}{2^3}\) + ... + \(\frac{100}{2^{100}}\)

----- Nội dung ảnh -----
D = \(\frac{1}{2}\) + \(\frac{2}{2^2}\) + \(\frac{3}{2^3}\) + ... + \(\frac{100}{2^{100}}\)