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

游客2024-01-12 32

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

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

Thespeed______is340meterspersecond.A、atwhichsoundtravelsB、withwhichso

Inasecond-handbookshop,Billycameacrossabookwhichhethoughtwascertain

Thespeechcontestwillgivehimanopportunityto______histalent.A、denyB、deci

Let’sfinishourhomeworkinafewseconds;it’stimewe______.A、playedfootbal

Themanhasaspecialtalentforartandis______ofamusician.A、anybodyB、any

AsecondEinsteinnotewasalsosoldattheauction.爱因斯坦的第二张便条也在拍卖会上被卖出。

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Acc

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

AnAmericanmanufacturerofracingbikesreporteda1996second-quartergrossin

[originaltext]M:SharonEppersonjoinsusnow,she’sacorrespondentforCNBC,

Whatarethemanandwomantalkingabout?[br][originaltext]M:Manypeoplesee

[originaltext]W:You’renotgoingtomakethecall,areyou?Aren’tyougoingt

物资供销形式相对比较灵活，下列表述不正确的是（）A.对通用的、用户比较分散的物

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适合采用平均倒凹法确定就位道的是A.后牙游离缺失 B.前牙缺失 C.一侧后牙

A.大脑皮层 B.腰膨大 C.脑干 D.胸髓 E.内囊引起交叉瘫的病变部

监理单位的主要安全责任之一是（）。A.组织专家论证、审查深基坑专项施工方案