【简答题】特征四位数。 题目描述 题目内容:已知四位数3025具有一个特殊性质:它的前两位数字30与后两位数字25之和是55,而55的平方正好等于3025。编程找出所有具有这种性质的四位数。 输出格式:每一个四位数自占一行 测试用例 用例1 分数: 20 错误提示: 题目运行时间限制: 500ms 题目运行内存限制: 32000kb
【单选题】The most expensive medium for advertisers is ______.
【简答题】题目:有四个数字:1、2、3、4,能组成多少个互不相同且无重复数字的三位数?各是多少? 程序分析:可填在百位、十位、个位的数字都是1、2、3、4。组成所有的排列后再去 掉不满足条件的排列。
【简答题】能将电能转换成光能的设备则称之为 。当前建筑系统中使用的光源基本上都是 。
【单选题】Most medium and slow speed diesels are started by what medium?()
A.
Electric starting motors
【单选题】听力原文: Even the fairest and most impartial newspaper is a medium of propaganda. Every daily newspaper has an editorial page. The opinion is expressed on events and personalities in the news. But editor...
B.
is controlled by big business interests
C.
separates fact and opinion
D.
operates according to a code of ethics
【单选题】隶变为()的出现奠定了基础,它使汉字的繁难程度大大降低,使书写速度大大加快
【单选题】The most common microcomputer secondary storage medium is ______.