What is the average (arithmetic mean) of the first 99 positive integers? How do I find the sum of even integers from 100 to 1000? What is the definition of whole numbers? The product of x and 13 is 39 what is the sum What is the mean of all even integers from 123 to 987?
1. for any positive integer n, the sum of the first n positive integers equals [n(n+1)]/2. what is the sum of all the even integers between 99 and 301?A 10,100B 20,200C 22,650D 40,200E 45,150 相关知识点: 试题来源: 解析 选择B解释:对任意整数n 前n项和是[n(n+1)]/2...
百度试题 结果1 题目What is the sum of the first even positive integers?相关知识点: 试题来源: 解析 http://gallery.fbcontent.cn/latex?decode=false&latex=%24%2440200%24%24%25&fontSize=30 反馈 收藏
, the sum of the first n positive integers equals n(n+1)2. What is the sum of all the even integers between 99 and 301 ? A、10,100 B、20,200 C、22,650 D、40,200 E、45,150 答案:B 专业教师答疑 问题:小梅老师在直播课讲的公式里,101没懂。按原来的等差数列求和公式,这里...
1)If n is an integer,which of the following cannot be a factor of 3n+4?(A) 4 (B) 5 (C) 6 (D) 72)If the sum of the first n positive integers is S,what is the sum of the first n positive even integers,in terms of 3)In how many of the integers between 1 and 100 does...
If the sum of the first n positive integers is S,what is the sum of the first n positive even integers,in terms of ?()的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷
For any positive integer n , the sume of the first n positive integers equal [n/(n+1)]/2.What is the sum of all the even integers between 99and 301? A10100 B 20200 C 22650 D 40200 E 45150 解答: 点赞0 阅读3443 解答: sysadmin老师 ...
结果1 题目 The sum of four consecutive positive even integers is x.In terms of x, what is the sum of the second and thirdintegers? (A)(x-12)/4 (B)(x-6)/2 (C)2x+6(D)x/2 (E)(x^2-3x)/4 相关知识点: 试题来源: 解析 (D) 反馈 收藏 ...
英语翻译 The sum of the first positive odd integers is 212 more than the sum of the first positive even integers.What is the sum of all possible values of的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工
For any positive integer n,the sum of the first n positive integers equals [n(n+1)]/2.What is the sum of all the even integers between 99 and 301?A.\x0510,100B.\x0520,200C.\x0522,650D.\x0540,200E.\x0545,150C.\x0522,650 相关知识点: 试题来源: 解析 求翻译! 1~99的和...