切线与参数
--- 介绍 ---
这个模块是一个平面解析几何的计算练习。
服务器会自动生成带有一或两个参数的一条平面曲线以及一条固定直线,
当给定直线是曲线的切线时，请你找出此时的参数值。
Set up
请注意: WIMS 的网页是交互式的: 它们不是通常的 HTML 文件. 只能在线交互地
使用. 您用自动化程序收集的网页是无用的.
Description: 给定切线找出对应曲线. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games
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