(2)Suppose n is an integer greater than one and m is an integer greater than 2, prove that 3"-1 and, in general, m"-1 is composite.4.英译汉: 相关知识点: 试题来源: 解析 (2)假设n是大于1的整数,而 m是大于2的整数,证明3"-1是合数,而且一般地, m"-1 是合数。
n is a positive integer not greater than 10000and the sum of digits is 8. Find the number of possible value(s) of n.相关知识点: 试题来源: 解析 165. 11×10×93×2×1=165. 11乘10乘9除以3乘2乘1等于165. 故答案为:165.反馈 收藏 ...
【题目】4. Let n be an odd integer greater than 1, and let k, k, …, k be given integers. For each ofthe n! permutations a=(a1, a2, …, an) of 1 , 2, …,n, letS(a)=∑_(i=1)^nk_i=1 Prove that there are two permutations b and c, b≠qc , such that n! is ...
Let n be an integer greater than 1, and let G be a group. An ,I-tuple x,, x2, . . . . x, CCelements of C is called rewritabfe if there is a nontrivial permutation ?r of { 1,2,. . . , o> such that XIX?. . . x, = ...
【题目】6. Let n be an integer greater than or equal to 2. Prove that f k+k+n is prime fo
对任意自然数≥3,在欧氏平面上都存在n个点,使得其中任意两点间的距离是无理数,并且每三点构成的三角形非退化且有有理面积.(东德)5.Let n be an integer greater than or equal to 3.Prove that there is a set of n points in the plane such that the distance between any two points is irrational...
If n is an integer greater than 6, which of the following must be divisible by 3? 选项: A、n (n+1) (n-4) B、n (n+2) (n-1) C、n (n+3) (n-5) D、n (n+4) (n-2) E、n (n+5) (n-6) 答案: A 提问列表 提问:...
结果1 题目 The "prime sum" of an integer n greater than 1 is the sum of all the prime factors of n, including repetitions. For example, the prime sum of 12 is 7, since 12 = 2 × 2 × 3 and 2 2 3 = 7. For which of the following integers is the prime sum greater than...
结果1 题目【题目】Let n be a positive integer greater than 4 such that the decimal representation ofn! ends in k zeros and the decimal representation of (2n)! ends in 3k zeros. Let s denote the sum of the four least possible values of n.What is the sum of the digits of s?( )令...
If the integer n is greater than 1, is n equal to 2?(1)n has exactly two positive factors.(2)The difference of any two distinct positive factors of n is odd. 选项: 答案: B Data Sufficiency 提问 最新 问个问题 我想问: 提交 最热提问 [Issue Essay]Analytical!... [Issue Essa...