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

游客2024-01-12  18

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? [br]

选项

答案 336

解析
转载请注明原文地址:https://tihaiku.com/zcyy/3355567.html
最新回复(0)