$\frac{2012 × 2011 + 2012 × 11 + 2000}{2013 × 2011 - 2011 × 2012}$
= $\frac{2012 × (2011 + 11) + 2000}{2001 × (2013 - 2012)}$
= $\frac{2012 × 2022 + 2000 }{2011 × 11}$
= $\frac{4068264 + 2000}{2011}$
= $\frac{4070264}{2011}$
= 2024
Chúc bạn học tốt!
Xin hay nhất!