已知全集u={1,2,3,4,5,6,7,8,},A={2,5,8},B={1,3,5,7}那么(CuA)N等于?详细的 要快的疯了 怎么判断那个是正确的
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![已知全集u={1,2,3,4,5,6,7,8,},A={2,5,8},B={1,3,5,7}那么(CuA)N等于?详细的 要快的疯了 怎么判断那个是正确的](/uploads/image/z/10114473-57-3.jpg?t=%E5%B7%B2%E7%9F%A5%E5%85%A8%E9%9B%86u%3D%7B1%2C2%2C3%2C4%2C5%2C6%2C7%2C8%2C%7D%2CA%3D%7B2%2C5%2C8%7D%2CB%3D%7B1%2C3%2C5%2C7%7D%E9%82%A3%E4%B9%88%28CuA%29N%E7%AD%89%E4%BA%8E%3F%E8%AF%A6%E7%BB%86%E7%9A%84+%E8%A6%81%E5%BF%AB%E7%9A%84%E7%96%AF%E4%BA%86+++%E6%80%8E%E4%B9%88%E5%88%A4%E6%96%AD%E9%82%A3%E4%B8%AA%E6%98%AF%E6%AD%A3%E7%A1%AE%E7%9A%84)
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