子集的图解
--- 介绍 ---
这个练习利用图形帮助你理解子集的概念:
并集、交集、余集等. 它可以给你一个图形要你找出相应的公式,
或者给一个子集公式要你认出相应的图形.
练习的配置:
其它模块
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: 通过图形识别子集. 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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