1, New Highland International Mathematics Invitational Tournament is a mathematics competition sponsored by China New Highland Education Group, which aims to stimulate students' interest in mathematics, improve students' mathematics literacy and problem-solving ability, and invite outstanding mathematics enthusiasts from all over the world to participate.
2. The competition topic is also difficult and challenging, which requires the contestants to have a solid mathematical foundation and high problem-solving ability.
As shown in fig. 3, point D moves on line segment OB (except endpoints O and B), and a straight line AB intersects with DE¡ÍCD at point E, that is, AB¡Íx axis.
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