已知非空集合M包含于N*,且满足"若a属于M,则 30/a 属于M"(1)写出所有2个元素的集合M(2)只有3个元素的集合M是否存在?如果存在,写出集合M,若不存在 ,请说明理由.并适当改变题目的条件,使满足题意
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 18:58:22
![已知非空集合M包含于N*,且满足](/uploads/image/z/5467894-70-4.jpg?t=%E5%B7%B2%E7%9F%A5%E9%9D%9E%E7%A9%BA%E9%9B%86%E5%90%88M%E5%8C%85%E5%90%AB%E4%BA%8EN%2A%2C%E4%B8%94%E6%BB%A1%E8%B6%B3%22%E8%8B%A5a%E5%B1%9E%E4%BA%8EM%2C%E5%88%99+30%2Fa+%E5%B1%9E%E4%BA%8EM%22%281%29%E5%86%99%E5%87%BA%E6%89%80%E6%9C%892%E4%B8%AA%E5%85%83%E7%B4%A0%E7%9A%84%E9%9B%86%E5%90%88M%282%29%E5%8F%AA%E6%9C%893%E4%B8%AA%E5%85%83%E7%B4%A0%E7%9A%84%E9%9B%86%E5%90%88M%E6%98%AF%E5%90%A6%E5%AD%98%E5%9C%A8%3F%E5%A6%82%E6%9E%9C%E5%AD%98%E5%9C%A8%2C%E5%86%99%E5%87%BA%E9%9B%86%E5%90%88M%2C%E8%8B%A5%E4%B8%8D%E5%AD%98%E5%9C%A8+%2C%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1.%E5%B9%B6%E9%80%82%E5%BD%93%E6%94%B9%E5%8F%98%E9%A2%98%E7%9B%AE%E7%9A%84%E6%9D%A1%E4%BB%B6%2C%E4%BD%BF%E6%BB%A1%E8%B6%B3%E9%A2%98%E6%84%8F)
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