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

游客2024-01-12 29

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]

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答案 336

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

Themanhasaspecialtalentforartandis______ofamusician.A、anybodyB、any

Inasampleofassociatesatalawfirm,30percentaresecond-yearassociates,

BenandAnnareamong7contestantsfromwhich4semifinalistsaretobeselecte

Acomputercanperform1，000，000calculationspersecond．Atthisrate，howmanyh

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Whi

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

AnAmericanmanufacturerofracingbikesreporteda1996second-quartergrossin

Thedirectorofasecondaryschoolwheremanystudentswerehavingsevereacadem

21.DuringtheSecondWorldWar,about375,000civiliansdiedintheUnitedSta

Toooftenyoungpeoplegetthemselvesemployedquitebyaccident,notknowin

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AlthoughFrench,German,AmericanandBritishpioneershaveallbeencredite

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抗体致敏细胞花环试验中，花环形成细胞是指A.受检细胞周围粘附2个或2个以上红细胞

我国入境旅游中，外国人市场主要集中在（）A.东北亚 B.北美洲 C.东南亚

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