Please work it out.2 .The sum of the numbers in each line is 34。 Please work it out.712?142138?163105?6 相关知识点: 试题来源: 解析 答案:7 12 ? 1 14 2 13 8 ? 11 16 3 10 5 9 ? 6 15 4解析:句意:每行的数字之和是34。请计算出。第一行:34-14-7-12=1;第二行:34...
[translate] aMessenger Bags 信使请求[translate] asum of the n numbers divided by n. For example, the average of 6, 4, 7, 10, and 4 is n数字的总和由n.划分了。 例如,平均6, 4, 7, 10和4是[translate]
7. A set (集合) of n numbers has the sum S. Each number of the set is increased by 20, then multi-plied by 5, and then decreased by 20. The sum of the numbers in the new set thus (如此,这样) obtainedis( ).(A)S+20n(B)5S+80n(C)S(D)5S 相关知识点: 试题来源: 解析...
The sum of n numbers is greater than 48. If the average (arithmetic mean) of the n numbers is 1.2, 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...
The sum of n numbers is greater than 48. If the average (arithmetic mean) of the n numbers is 1.2, 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...
The numbers 1,2,3,4,5,6,7,8, 9and 10 are divided into two groups. The sum ofall the numbers in one group is n, while the product of all the numbers in the othergroup is also n. What is the maximum value of n? 答案 【解析】13.答案:最大值是42.解当n=42时,将1、2、3...
The sum of two numbers is 50. If one number is twice the other, what is the smaller number? A. 10 B. 15 C. 20 D. 25 相关知识点: 试题来源: 解析 A。本题考查数学推理中的和倍问题。设较小的数为 x,则较大的数为 2x,x + 2x = 50,3x = 50,x = 10。选项 B、C、D 都不符合...
Two numbers are in the ratio 3:4. If the sum of the numbers is 28, what are the two numbers? A. 12 and 16 B. 10 and 18 C. 8 and 20 D. 14 and 14 相关知识点: 试题来源: 解析 A。设两个数分别为 3x 和 4x,它们的和为 28,即 3x + 4x = 28,解得 x = 4,所以两个数分别...
The problem "Two Sum" requires finding two numbers in aninteger arraysuch that their sum equals a specifiedtargetnumber. You need to returnthe indices ofthese two numbers, whereindices start from 0. The indices ofthe two numbers cannot be the same, and there isexactly one solutionfor each ...
In the equation: n is the number of terms; a is the first term; and l is the last term. What is the sum of 1 to N? 1 + 2 + 3 + ... + N = N(N + 1) / 2 We can use this formula to find the sum of the first N natural numbers. This formula results from the sum ...