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

游客2024-01-12 61

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 56

解析

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

______ofthestudentsinourclassarefromthenorth.A、TwoninthB、Secondnint

SpeakerA:IwanttotakepartintheschoolTalentShow.SpeakerB:That’snic

________YellowRiverisknowntobe________secondlongestriverinChina.A、The;

Inasampleofassociatesatalawfirm,30percentaresecond-yearassociates,

Ifacopiermakes3copiesevery4seconds,thencontinuesatthisrate,howman

Acomputercanperform1，000，000calculationspersecond．Atthisrate，howmanyh

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Whi

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]Acc

Theprimaryfunctionofthesecondparagraphofthepassageisto______[br]The

ApprenticeshipshavelongbeenpopularinEurope,butworkforce-orientedhig

[originaltext]WilmaRudolphwascalled"theBlackPearl"and"thefastestw

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《箱子岩》是一篇（）A.记事散文 B.抒情散文 C.游记散文 D.议论

科学发展观的内涵包括()。A.与时俱进，不断推动理论和实践创新 B.坚持以人

在绝大多数人中A、胆囊管汇合于右肝管 B、胆囊管汇合于肝总管 C、胆囊管汇合

STGT试验中替代PF3的试剂是A:白陶土B:兔脑C:血浆D:红细胞溶解产

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