若实数x,y满足x2+y2+xy=1,则x+y的最大值是

若实数x,y满足x2+y2+xy=1,则x+y的最大值是 若实数x,y满足x2+y2+xy=1,则x+y的最大值是 已知实数x,y满足x2+xy+y2=3,则x2-xy+y2的最小值 若实数XY满足X2+Y2=1,则X-2Y的最大值为 若实数x,y满足x2+y2+x2y2-4xy+1=0,则(x+y)2的值为 已知实数xy满足x2+y2=3,若m=y+1/x+3 实数x,y满足x2+y2=4,则x+y-xy的最大值无 若实数x、y满足方程x2+y2+3xy=35,则xy的最大值为 已知两个实数xy,满足x2+y2=1,求x+根号3y最大值 实数xy满足x2+y2+2x-4y+1=0,则x2+y2-2x+1的最小值为 实数xy满足x2+y2+2x-4y+1=0,则（根号下x2+y2-2x+1）的最大值为 设实数x,y满足x2+y2=1则 xy的取值范围是?设实数x,y满足x2+y2=1则 xy的取值范围是________. 若实数X,Y,Z满足X2+Y2+Z2＝1,则XY+YZ+ZX的取值范围 已知实数xy满足x2+y2=4.则y+3/x+1的取值范围为 已知实数xy满足x2+y2=4.则y+3/x+1的取值范围为 已知实数x、y满足X2+y2-xy+2x-y+1=0,试求x、y的值 已知实数x,y满足(x2)+(y2)-xy+2x-y+1=0,求x,y的值 已知实数x、y满足X2+y2-xy+2x-y+1=0,试求x、y的值