论文部分内容阅读
全日制普通高级中学教科书(必修)《数学·第二册(上)》(2004年人民教育出版社)(下简称“教科书”)第92页给出了椭圆定义在平面内到两个定点F1,F2的距离的和等于常数(大于|F1F2|)的点的轨
Full-time regular high school textbooks (required) “Mathematics Book 2 (on)” (2004 People’s Education Press) (hereinafter referred to as “textbooks”) on page 92 gives ellipses defined in the plane to two The point where the sum of the distances of the fixed points F1, F2 equals the point of the constant (greater than |F1F2|)