link环境下如何写四个数组任取三个，每个数组再任取一个这个查询？

Question

link环境下如何写四个数组任取三个，每个数组再任取一个这个查询？

Answer 1

int[][] arrs = new int[][] { new int[] {1,2,3}, new int[] {4,5,6}, new int[] {7,8,9}, new int[] {10,11,12}};
var query = arrs.OrderBy(x => Guid.NewGuid()).Take(3).Select(x => x.OrderBy(Guid.NewGuid()).First());