x²+2014x-2015=0 即(x-1)(x+2015)=0 得其较大根m=1(2014x)²-2013×2015x-1=0 (2014)²x²-[(2014)²-1]x-1=0(x-1)[(2014)²x+1]=0得其较小根n=-1/(2014)²所以 m+n=1-1/(2014)²
