(1)x is less than the average (arithmetic mean )of the first ten positive integers. (2)x is the square of an integer. 我选的A,前十位正整数的平均数是5.5,x<5.5,可以得出x<16 哪里思路有错~ 解答: 点赞0 阅读592 解答: sysadmin 提问: if x is a positive integer, is x <16? (...
If[a]indicatesthegreatestintegerlessthana,then( ) A. a-1<[a]≤a B. a-1<[a]<a C. a≤[a]≤a+1 D. a-1≤[a]<a 相关知识点: 试题来源: 解析 A.a-1<[a]≤a 根据[a]的取值是不大于a的整数,可以直接确定a的取值范围.反馈 收藏 ...
] is the greatest integer less than or equal to Problem Solving 试题详情 题目: If [x] is the greatest integer less than or equal tox, what is the value of[−1.6]+[3.4]+[2.7]? 选项: A、3 B、4 C、5 D、6 E、7 答案: A...
If k is an integer greater than 44 and less than 51,then which of the following could be the product of 11 and k ?() A.565 B.550 C.500 D.484 E.440 相关知识点: 试题来源: 解析 B [解析] 11与k的乘积应该在484与561之间,所以(A) ,(D)和(C)都显然不对;又因为500不能被11整...
If k is an integer greater than 44 and less than 51,then which of the following could be the product of 11 and k (A) 565 (B) 550 (C) 500 (D) 484 (E) 440 该题目是单项选择题,请记得只要选择1个答案! 正确答案 点击免费查看答案 ...
If x represents the greatest integer less than or equal to x, what is the solution to the equation 1-2 x=-3? () A. x=2 B. 2≤ x<3 C. 2< x≤3 D. 2< x< 3 E. There is no solution. 相关知识点: 试题来源: 解析 B ...
If[a]indicates the greatest integer less than a,then ( )A.a-1<[a]≤aB.a-1<[a]<aC.a≤[a
【题目】If[a]indicatesthegreatestintegerlessthanathen()A、 a-1[a]≤aB、 a-1[a]aC、 a≤[a]≤a+1D
10、 连续数例 1:In an increasing sequence of 10 consecutive integers, the sum of the first 5 integers is 560. What is the sum of the last 5 integers in the sequence?(A) 585 (B) 580 (C )575 (D)570 (E) 565例 2:If n is an integer greater than 6, which of the following mus...
设题干内容为条件1(if m is a positive integer,and if 3+16/m is an interger less than 19),题目问下面关于m的说法,哪一项一定正确?也就是说下列哪一项是条件1成立的必要条件:[条件1成立=>选项成立].盯盯认为B有些值不成立是对的,说明B并不是条件1成立的充分条件:[B成立=\=>条件1成立],但是不能...