Question

[Cù Thu Trang]

tính (1-1/1.2)+(1-1/2.3)+(1-1/3.4)+...+(1-1/2015.2016)

Answer 1

[Đức Anh 2k9]

\(=\frac{0}{1.2}+\frac{0}{2.3}+\frac{0}{3.4}+...+\frac{0}{2015.2016}\)

\(=0+0+0+...+0=0\)