Martha invited 4 friends to go with her to the movies. There are 120 different w

游客2024-01-12 68

问题 Martha invited 4 friends to go with her to the movies. There are 120 different ways in which they can sit together in a row of 5 seats, one person per seat. In how many of those ways is Martha sitting in the middle seat?

选项

答案 24

解析

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Martha invited 4 friends to go with her to the movies. There are 120 different w

Ounceforounce,blendsofdifferentartificialsweetenersmatchanyindividual

InspectionsystemXandinspectionsystemY,thoughbasedondifferentprinciple

Gall’shypothesisoftherebeingdifferentmentalfunctionslocalizedindiffere

Somebatcaves,likehoneybeehives,haveresidentsthattakeondifferentdutie

Ifn=pqr,wherep,q,andrarethreedifferentpositiveprimenumbers,howma

Thesumofndifferentpositiveintegersislessthan100.Whatisthegreatest

Apositiveintegerwithexactlytwodifferentdivisorsgreaterthan1mustbeA、a

Twodifferentpositiveintegersxandyareselectedfromtheoddintegersthat

Fromaboxof10lightbulbs,youaretoremove4.Howmanydifferentsetsof4l

Marthainvited4friendstogowithhertothemovies.Thereare120differentw

Oneofthedrivingforcesoftoday’sglobalizationis______.[br]Theglobalc

Yourideas,_______,seemunusualtome.A、likeherB、likehersC、similartoher

管理的核心是（）。A.避免事故 B.消除隐患 C.提升品质 D.处理各种

新生儿每日热量的需求约为A.100～130kcal/kg B.90～100kc

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