若实数X,Y∈[0,1],则满足x^2+y^2>1的概率为…………………………

若实数x,y满足x^2-xy-y^2 =0,则x/y=? 若实数xy满足（x+y+2)(x+y-1)=0,则x+y的值是 若实数x,y满足约束条件x-y≥0,x+y≥0,2x+y≤1,则y/(x+1)的最大值是多少, 若实数X,Y满足X²+Y²+4X-2Y +1=0,则X²-6X+Y²-2Y的最大值是多少 若实数x y满足（x+y)²+（x+y)-2=0则x+y值为 若实数X,Y满足{ x-y-1≤0,x+y-3≤0,x≥1,则函数z=2x-y的最大值 若实数x,y满足x^2+y^2-4x-2y+5=0,则x+y/2x-1 若实数x,y满足x-4y+3≤0,3x+5y-25≤0,x≥1,则2x-y的最大值是多少 若实数对（x,y)满足约束条件x>0y大于等于x 2x+y-3小于等于0则y+1/x的最小值 若实数x,y满足x-y+1》=0,x+y>=0,x 若实数x,y满足x-y+1>=0,x+y>=0,x 若实数x,y满足{x-y+1≥,x>0},则y/(x-1)的取值范围是 若实数x、y满足x-y+1小于等于0,x大于0,x小于等于2,则y/x的取值范围是? 若实数x,y满足{x-y+1≤0 x>0 x≤2 } 则y/x的取值范围是 若实数x、y满足x-y+1小于等于0,x大于0,x小于等于2,则y/x的取值范围是? 若实数xy满足x-y+1 若实数x,y是满足1 若实数x,y满足不等式组x-y+1>=0,x+y-1=0,则函数z=2x+y的最大值为