2. 职称英语
  3. A talent contest has 8 contestants. Judges must award prizes for first, second,

A talent contest has 8 contestants. Judges must award prizes for first, second,

游客2025-02-23  11
问题 A talent contest has 8 contestants. Judges must award prizes for first, second, and third places, with no ties.
(a)In how many different ways can the judges award the 3 prizes?
(b)How many different groups of 3 people can get prizes?
选项
答案 (a)336(b)56
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3969958.html
相关试题推荐
随机试题
最新回复(0)