X-5. C.2X+3. D.5X+2. 答案 3.CX是一个整数,2X就是一个偶数,2X+3则必然是一个-|||-奇数,因此选择C。 相关推荐 1 3.If X is an integer(整数),which of the followingCANNOT be an even integer?A.2X+2.B.X-5.C.2X+3.D.5X+2.3.If X is an integer(整数),which of the following...
if "X" is an integer,which of the following will produce an odd number?A.3x² +1 B.x²+2xX是不等于0的整数A.B都存在奇数和偶数的情况啊? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 举报 你说的对,好像答案并不能确定为A,确实经过运算,发现A和B都有奇偶两种情况的结果.只有...
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...
PREP07 Test 2-数学PS-134
百度试题 结果1 题目【题目】If n is an integer , which of the following polynomi als is not always a perfect square (). A.n^2+2n+1 B.n^2-2n+1 C.n^2+4 D.9n^2+6n+1 相关知识点: 试题来源: 解析 【解析】C 反馈 收藏
If x is an integer, which of the following must be an even integer? A B(x+1)(x+2) C(x+1)(x+3) D E(x+2)(x+4) 显示答案 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。
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;...
原文主句缺少谓语动词，应该是 which of the following in the square of the next is larger odd integer?〔译文〕若 n 是奇数，那么在下一个正方形中，下面的哪一个是更大的奇数？
If n is a positive integer, then which of the following must be true about (n) and (n+1)? () A. n is odd and (n+1) is even. B. n is even and (n+1) is odd. C. The product of the two terms is odd. D. The sum of the two terms is even. E. The product of the...
【GRE数学】If x is an odd integer,for which of the following equations must y be an even integer?RT 其他选项都排除了,只剩x+2y=7 & 2x+y=6PS.by the way,integers between 1 and 100,包括1和100这两个数吗? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 举报 2x+y=6中y是...