百度试题 结果1 题目1. If a x (-1)=-30, is the integer a positive or negative? 相关知识点: 试题来源: 解析 positive 反馈 收藏
百度试题 结果1 题目If (x+3)2 is an integer, then x must be ( ) A. a negative integer B. a positive integer C. a multiple of 3 D. an even integer E. an odd integer 相关知识点: 试题来源: 解析 E 反馈 收藏
For a nonnegative integer n, if the remainder is 1 when 2n is divided by 3, then which of the following must be true? I. n is greater than zero. II. 3n = (-3)n III. √2n is an integer. 选项: A、I only B、II only C、I and II D、I and III E、II and III 答案: E ...
Each positive integer on a number line has a negative pair, for example 2 is paired with (-2), 5 with (-5) and 50 with (-50). Pairs represent an equal distance away from the zero on a number line, for example 50 is 50 units to the right of zero while (-50) is 50 units to...
Integers Song: Learning About Positive or Negative Whole Numbers How to do simple math problems with integers by using a number line as an aide to visualize the process? Show Step-by-step Solutions Integer Rap A rap to help you remember what is an integer. Show Step-by-step Solutions ...
For every even integer x>0, the sum −xx (−x)x is( ). A. positive B. negative C. zero
To solve the problem of finding a positive integer and a negative integer whose sum is a positive integer, we can follow these steps: Step 1: Choose a Positive IntegerLet's choose a positive integer. For example, we can select 7. Step 2: Choose a Negative IntegerNext, we need to choos...
If k is a non-negative integer and ?is a divisor of 759,325 then A.0 B.1 C.37 D.118 E.513 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...
Natural Numbers are 1,2,3,4,5,... [...] and Whole numbers are 0,1,2,3,... According toWikipedia: In mathematics, a natural number is either a positive integer (1, 2, 3, 4, ...) or a non-negative integer (0, 1, 2, ...
X is a positive integer and r is a non-negative integer. x can be divisible by 10r and cannot be divided by 10r+1. What is the value of r?(1) X can be divided exactly by 25, but not by 26 (2) X can be divided exactly by 56, but not by 57 ...