抛物线焦点射击
--- 介绍 ---
这是关于抛物线焦点的视觉练习.
给你一条抛物线, 要你点出它的焦点.
一轮会话含有几次射击, 分数在完成一轮会话后给出.
将根据射击精度打分.
选择难度:
1 ,
2 ,
3 ,
4 ,
5 .
有一个
详细菜单供设置练习参数.
由于 WIMS 不能识别您的浏览器, 本页不能正常显示.
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: 点出抛物线的焦点. 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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