|x-2|+(y-4)²=0x-2=y-4=0所以x=2,y=4原式=1/2*4+1/4*6+……+1/2014*2016=1/2*(1/2-1/4+1/4-1/6+……+1/2014-1/206)=1/2*(1/2-1/2006)=501/2006
x-2=y-4=0所以x=2,y=4原式=1/2*4+1/4*6+……+1/2014*2016=1/2*(1/2-1/4+1/4-1/6+……+1/2014-1/206)=1/2*(1/2-1/2006)=501/2006