Question Number 152950 by john_santu last updated on 03/Sep/21
$$\left(\frac{\mathrm{1}}{\mathrm{2}}\right)+\left(\frac{\mathrm{1}}{\mathrm{3}}+\frac{\mathrm{2}}{\mathrm{3}}\right)+\left(\frac{\mathrm{1}}{\mathrm{4}}+\frac{\mathrm{2}}{\mathrm{4}}+\frac{\mathrm{3}}{\mathrm{4}}\right)+...+\left(\frac{\mathrm{1}}{\mathrm{8}}+\frac{\mathrm{2}}{\mathrm{8}}+...+\frac{\mathrm{7}}{\mathrm{8}}\right)=? \\ $$
Commented by MJS_new last updated on 03/Sep/21
$$\mathrm{14} \\ $$