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

游客2024-01-12 14

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

Peterisgoingtoalake_________hecanfishwithhisfriends.A、whichB、hereC、w

他习惯和朋友通过微信来交流。HeisusedtocommunicatingwithfriendsontheWeChat.

Sixdifferentnumbersaretobeselectedfromthe(0,1,2,3,4,5,6)tocompos

Whatisthetotalnumberofdifferent5-digitintegersthatcontainallofthed

MachinesXandYrunatdifferentconstantrates，andmachineXcancompleteace

Themedianof21differentintegersis17.Whichofthefollowingistheleastp

Ifx,yandzaredifferentpositiveintegerslessthan10,whatisthegreatest

Ounceforounce,blendsofdifferentartificialsweetenersmatchanyindividual

InspectionsystemXandinspectionsystemY,thoughbasedondifferentprinciple

John:Ihavetriedseveraldifferenttypesofpsychotherapyatvarioustimesin

Thediscussionwassoprolongedandexhaustingthat______thespeakersstopped

某日，英国银行公布的外汇牌价为1英镑兑1．21美元，这种外汇标价方法是()。A、美元标价法B、浮动标价法C、直接标价法D、间接标价法D间接标价法

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老年人普遍存在对死亡的恐惧心理，因此老年人的心理保健应注意()A.确立生存

Thechangeinthatvillagewasmiraculou

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