Question

Tính: 2011+2012+2013/2012+2013+2014

Answer 1

tính nhanh à bạn'

Answer 2

\(\dfrac{2011+2012+2013}{2012+2013+2014}=\dfrac{2011+\left(2012+2013\right)}{\left(2012+2013\right)+2014}\Rightarrow\dfrac{2011}{2014}\)

Answer 3

\(\dfrac{2011+2012+2013}{2012+2013+2014}=\dfrac{6036}{6039}=\dfrac{2012}{2013}\)

Answer 4

tính nhanh nha

Answer 5

2011+2012+2013=2011+(2012+2013)=2011

2012+2013+2014=2014+(2012+2013)=2014