If n is a positive integer, is the value of b-a at least twice the value of 3n-2n?() (1)a=2n+1 and b=3n+1 (2)n=3 A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件(1)充分,条件(...
2英语翻译if n is a positive integer,then n(n+1)(n+2) isA even only when n is oddB evne only when n is evenC odd whenever n is oddD divisible by 3 only when n is oddE divisible by 4 whenever n is even 3 英语翻译 if n is a positive integer,then n(n+1)(n+2) ...
If n is a positive integer,and if the units’digit of n2 is 6 and the units’digit of (n-1)2 is 9,the units’digit of (n+1)2 is ___. (英汉小词典 units’digit:个位数字)
If n is a positive integer, which of the following is a possible value of |56 - 5n|? 选项: A、7 B、9 C、12 D、15 E、20 答案: B 提问列表 提问: 请问徐小梅老师,这题为什么选B呢?我当时觉得没一个选项符合条件。 5n是5的倍数,所以个位为0或5。如果个位为0,则56-5n的个位=6-0=6;...
If n is a positive integer and < 0.0002, what is the least possible value of n? 显示答案 登录后才可以添加做题笔记哦,还没有账号? 马上注册 KMF 解析 网友解析 题目数据 收起 暂无解析 以上解析由 考满分老师提供。 题目讨论 已经输入 0 个字 标记为提问,会有更多小伙伴帮你解答 提交 全部讨论...
If n is a positive integer and ((n^2)+3n-10)/((n^2)+6n-16) is a reduced fracnen, then ((n^2)+3n-10)/((n^2)+6n-16)= . 相关知识点: 试题来源: 解析 8/(11) 由题意知((n^2)+3n-10)/((n^2)+6n-16)=((n-2)(n+5))/((n-2)(n+8))为既约分数,...
百度试题 结果1 题目If n is a positive integer, then lim_(n→1)1/n(1/n+2/n+3/π+...+1) = A: 1 B: 2 C: 1/(10) D: 相关知识点: 试题来源: 解析 DNone 反馈 收藏
套数字取值,最快0小于等于r大于3,r=4+7n-3a,n=3b-1代入,r=3(7b-1-a),r为3倍数,但0...
个人看法。理解一下The largest integer that must divide n, 表示的是n一定含有的最大的因子,也就是n取最小值时也一定含有的最大因子。n^2=72x,把72分解,n^2=2^3*3^2*x;n是正整数,那么n^2必然要能开方,也就是说x至少含有一个2,n最小值是不是就是2^2*3=12。12最大的因子就是它本身12...
If n is a positive integer and r is the remainder when (n-1)(n+1) is divided by 24, what is the value of r? (1) 2 is not a factor of n. (2) 3 is not a factor of n. 选项: 答案: C 提问列表 提问: 感觉2 , 3 不是N 的因子,5,7 等还是可以是N 的因子,若N=5, N^...