子集与真子集的区别~(请举例证明)!书上说若A={1,2,3} B={1,2,3,4,5,6}那B包含A.则A是B得子集.对于两个集合A与B,如果A包含于B并且A不等于B,则集合A是集合B的真子集.既然B不等于A那子集与真子集不是
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![子集与真子集的区别~(请举例证明)!书上说若A={1,2,3} B={1,2,3,4,5,6}那B包含A.则A是B得子集.对于两个集合A与B,如果A包含于B并且A不等于B,则集合A是集合B的真子集.既然B不等于A那子集与真子集不是](/uploads/image/z/5207200-16-0.jpg?t=%E5%AD%90%E9%9B%86%E4%B8%8E%E7%9C%9F%E5%AD%90%E9%9B%86%E7%9A%84%E5%8C%BA%E5%88%AB%7E%28%E8%AF%B7%E4%B8%BE%E4%BE%8B%E8%AF%81%E6%98%8E%29%21%E4%B9%A6%E4%B8%8A%E8%AF%B4%E8%8B%A5A%3D%7B1%2C2%2C3%7D+B%3D%7B1%2C2%2C3%2C4%2C5%2C6%7D%E9%82%A3B%E5%8C%85%E5%90%ABA.%E5%88%99A%E6%98%AFB%E5%BE%97%E5%AD%90%E9%9B%86.%E5%AF%B9%E4%BA%8E%E4%B8%A4%E4%B8%AA%E9%9B%86%E5%90%88A%E4%B8%8EB%2C%E5%A6%82%E6%9E%9CA%E5%8C%85%E5%90%AB%E4%BA%8EB%E5%B9%B6%E4%B8%94A%E4%B8%8D%E7%AD%89%E4%BA%8EB%2C%E5%88%99%E9%9B%86%E5%90%88A%E6%98%AF%E9%9B%86%E5%90%88B%E7%9A%84%E7%9C%9F%E5%AD%90%E9%9B%86.%E6%97%A2%E7%84%B6B%E4%B8%8D%E7%AD%89%E4%BA%8EA%E9%82%A3%E5%AD%90%E9%9B%86%E4%B8%8E%E7%9C%9F%E5%AD%90%E9%9B%86%E4%B8%8D%E6%98%AF)
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