Tính S = $\sqrt[]{1+(1+\frac{1}{3})^2}$ + $\sqrt[]{1+(\frac{1}{2}+\frac{1}{4})^2}$ + $\sqrt[]{1+(\frac{1}{3}+\frac{1}{5})^2}$ + ... + $\sqrt[]{1+(\frac{1}{2014}+\frac{1}{2016})^2}$
Loga
Sinh Học lớp 12
