《12-03-27高二数学理模块考试试卷讲评课件.ppt
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湖南长郡卫星远程学校 2012年上学期 制作 12 模块考试试卷讲评 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 8. 设a1, a2, …, an是1, 2, …, n的一个排列,把排在a的左边且比a小的数的个数称为a的顺序数(i=1, 2, ……n).如在排列6, 4, 5, 3, 2, 1中,5的顺序数为1, 3的顺序数为0.则在由1、2、3、4、5、6、7、8这八个数字构成的全排列中, 同时满足8的顺序数为2, 7的顺序数为3, 5的顺序数为3的不同排列的种数为( ) A. 48 B. 96 C. 144 D. 192 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 14. 由1、2、3、4、5、6组成没有重复数字且1、3都不与5相邻的六位偶数的个数是 . Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 15. 给n个自上而下相连的正方形着黑色或白色.当n≤4时, 在所有不同的着色方案中, 黑色正方形互不相邻的着色方案如下图所示: 由此推断, 当n=7时, 黑色正方形互不相邻着色方案共有 种, 至少有两个黑色正方形相邻着色方案共有 种.(结果都用数值表示) Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.
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