集合中的新定义问题?设S是至少含有两个元素的集合,在集合S上定义了一个二元运算“*”(即对于任意的a,b∈S,对于有序元素对(a,b),在S中有唯一确定的元素a*b与之对应).若对于任意的a,b∈
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![集合中的新定义问题?设S是至少含有两个元素的集合,在集合S上定义了一个二元运算“*”(即对于任意的a,b∈S,对于有序元素对(a,b),在S中有唯一确定的元素a*b与之对应).若对于任意的a,b∈](/uploads/image/z/11603447-71-7.jpg?t=%E9%9B%86%E5%90%88%E4%B8%AD%E7%9A%84%E6%96%B0%E5%AE%9A%E4%B9%89%E9%97%AE%E9%A2%98%3F%E8%AE%BES%E6%98%AF%E8%87%B3%E5%B0%91%E5%90%AB%E6%9C%89%E4%B8%A4%E4%B8%AA%E5%85%83%E7%B4%A0%E7%9A%84%E9%9B%86%E5%90%88%2C%E5%9C%A8%E9%9B%86%E5%90%88S%E4%B8%8A%E5%AE%9A%E4%B9%89%E4%BA%86%E4%B8%80%E4%B8%AA%E4%BA%8C%E5%85%83%E8%BF%90%E7%AE%97%E2%80%9C%2A%E2%80%9D%EF%BC%88%E5%8D%B3%E5%AF%B9%E4%BA%8E%E4%BB%BB%E6%84%8F%E7%9A%84a%2Cb%E2%88%88S%2C%E5%AF%B9%E4%BA%8E%E6%9C%89%E5%BA%8F%E5%85%83%E7%B4%A0%E5%AF%B9%EF%BC%88a%2Cb%EF%BC%89%2C%E5%9C%A8S%E4%B8%AD%E6%9C%89%E5%94%AF%E4%B8%80%E7%A1%AE%E5%AE%9A%E7%9A%84%E5%85%83%E7%B4%A0a%2Ab%E4%B8%8E%E4%B9%8B%E5%AF%B9%E5%BA%94%EF%BC%89.%E8%8B%A5%E5%AF%B9%E4%BA%8E%E4%BB%BB%E6%84%8F%E7%9A%84a%2Cb%E2%88%88)
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