一道排列组合的题题目如下集合A={1,2,3,4}.函数f(x)的定义域和值域都是A 且对于i属于A,f(i)=/=i .设a1,a2,a3,a4是1,2,3,4的任意一个排列,定义数表:| a1 | a2 | a3 | a4 ||f(a1)|f(a2)|f(a3)|f(a4)|若两个数表的对应
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![一道排列组合的题题目如下集合A={1,2,3,4}.函数f(x)的定义域和值域都是A 且对于i属于A,f(i)=/=i .设a1,a2,a3,a4是1,2,3,4的任意一个排列,定义数表:| a1 | a2 | a3 | a4 ||f(a1)|f(a2)|f(a3)|f(a4)|若两个数表的对应](/uploads/image/z/1706105-65-5.jpg?t=%E4%B8%80%E9%81%93%E6%8E%92%E5%88%97%E7%BB%84%E5%90%88%E7%9A%84%E9%A2%98%E9%A2%98%E7%9B%AE%E5%A6%82%E4%B8%8B%E9%9B%86%E5%90%88A%3D%7B1%2C2%2C3%2C4%7D.%E5%87%BD%E6%95%B0f%28x%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E5%92%8C%E5%80%BC%E5%9F%9F%E9%83%BD%E6%98%AFA+%E4%B8%94%E5%AF%B9%E4%BA%8Ei%E5%B1%9E%E4%BA%8EA%2Cf%28i%29%3D%2F%3Di+.%E8%AE%BEa1%2Ca2%2Ca3%2Ca4%E6%98%AF1%2C2%2C3%2C4%E7%9A%84%E4%BB%BB%E6%84%8F%E4%B8%80%E4%B8%AA%E6%8E%92%E5%88%97%2C%E5%AE%9A%E4%B9%89%E6%95%B0%E8%A1%A8%3A%7C+a1+%7C+a2+%7C+a3+%7C+a4+%7C%7Cf%28a1%29%7Cf%28a2%29%7Cf%28a3%29%7Cf%28a4%29%7C%E8%8B%A5%E4%B8%A4%E4%B8%AA%E6%95%B0%E8%A1%A8%E7%9A%84%E5%AF%B9%E5%BA%94)
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