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

游客2025-02-24 20

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

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

SpeakerA:IwanttotakepartintheschoolTalentShow.SpeakerB:That’snic

________YellowRiverisknowntobe________secondlongestriverinChina.A、The;

Thedramaschool______placestostudentswhocanshowtalent.A、donatesB、offers

Thespeechcontestwillgivehimanopportunityto______histalent.A、denyB、deci

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。

Inasampleofassociatesatalawfirm,30percentaresecond-yearassociates,

Ifacopiermakes3copiesevery4seconds,thencontinuesatthisrate,howman

BenandAnnareamong7contestantsfromwhich4semifinalistsaretobeselecte

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Whi

[img]2012q2/ct_epej_epelist_0076_20124[/img][br][originaltext]Excuseme.Can

Whatarethechallengesfacingmultinationalsthatwanttobuildtheirbrand

Peoplewhoaretoohappydieyoungerthantheirmoredownbeatpeers,claims

A.local B.outside C.middle D.arounD.

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碳酸钙是珍珠的主要成分，占珍珠比例的百分之九十。但是，想用皮肤来吸收碳酸钙，这几

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