x2+y2=208(x-y)
问题描述：
x2+y2=208(x-y)
答
x^2+y^2=208(x-y)x^2+y^2-208x+208y=0(x-104)^2+(y+104)^2=21632若(x-104)^2=104*104;;;;;(y+104)^2=104*104则x-104=104或x-104=-104;;;;y+104=104或y+104=-104x=208或x=0;;;;;y=0或y=-208