int[] arrInt;

            arrInt = new int[]{,,,,,,};

            var r1 = arrInt.All(m => m > );// 所有元素都满足条件，false

            var r2 = arrInt.Any(m => m > );// 有任一元素满足条件,true

            int[] numbers1 = { , , , , , , , ,  };

            var query1 = numbers1.Aggregate((a, b) => a * b); // 聚合函数，返回结果做参数，等于((((((((1*2)*3)*4)*5)*6)*7)*8)*9)

            var list = Enumerable.Range(, );

            var result = list.Aggregate((a, b) => (a + b)); // 返回1+...+100的和

            var nums = Enumerable.Range(, );

            var sum = nums.Aggregate(,(a, b) => a * b);// 2=>5的阶乘