1. Calculate: $(2014 \times 2014 + 2012) - 2013 \times 2013$
$\begin{array}{l}\text { Analysis: }(2014 \times 2014+2012)-2013 \times 2013 \\ =(2013+1) \times(2013+1)+2013-1-2013 \times 2013 \\ =2013 \times 2013+2013+2013+1+2013-1-2013 \times 2013 \\ =6039\end{array}$