概率已知集合M={1,2,3,4,5,6},集合A,B,C是M的非空子集,若任意x属于A,y属于B,z属于C,x
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![概率已知集合M={1,2,3,4,5,6},集合A,B,C是M的非空子集,若任意x属于A,y属于B,z属于C,x](/uploads/image/z/8826811-43-1.jpg?t=%E6%A6%82%E7%8E%87%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88M%3D%7B1%2C2%2C3%2C4%2C5%2C6%7D%2C%E9%9B%86%E5%90%88A%2CB%2CC%E6%98%AFM%E7%9A%84%E9%9D%9E%E7%A9%BA%E5%AD%90%E9%9B%86%2C%E8%8B%A5%E4%BB%BB%E6%84%8Fx%E5%B1%9E%E4%BA%8EA%2Cy%E5%B1%9E%E4%BA%8EB%2Cz%E5%B1%9E%E4%BA%8EC%2Cx)
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