20、设A={3,6,9}，A上的二元运算*定义为：a*b=min{a,b}，则在独异点<A,*>中，单位元是____ - 查题网

>> 高等继续教育 / 离散数学

高等继续教育 / 离散数学

20、设A={3,6,9}，A上的二元运算*定义为：a*b=min{a,b}，则在独异点<A,*>中，单位元是____

积分

离散数学

参考答案：

点击查看答案

佳题速递：

19世纪的海洋法律秩序是．国际法学

17、企业行为识别系统的简称是（） A. MI B. BI C. VI D. CIS企业管理咨询

家庭氛围对孩子的影响是立竿见影的。儿童家庭教育指导

3[翻译题] The Great Wall is one of the wonders of the world that created by human beings! If you come to China without climbing the Great Wall, it's just like going Paris without visiting the Eiffel Tower（埃菲尔铁塔）; or going to Egypt without visiting the Pyramids（金字塔）. Men often say, “He who does not reach the Great Wall is not a true man.”In fact, it began as independent walls for different states when it was first built, and did not become the “Great Wall” until the Qin Dynasty. However, the wall we see today, starting from Shanhaiguan Pass in the east to Jiayunguan Pass in the west, was mostly built during the Ming Dynasty. 英语(二)

中医在认识疾病的过程中，首先着眼于整体中医药学概论

C++程序种中声明变量如下： int* pInt＝new int; float* pFloat＝new float[10]; 不能正确撤销上面分配的空间的语句是面向对象程序设计