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

游客2024-01-12 73

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?

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答案 24

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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

Perpetualbondsarecalled______.A、municipalbondsB、zero-couponbondsC、infinit

Manypeopleagreethat______knowledgeofEnglishisamustin______internati

Wecanexperiencestressanytimewefeelwedon’thave【B1】______.Itcanc

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已知折现率i>0，所给现金流量图表示（ ）。 A.A1为现金流出 B.A

多发性骨髓瘤最佳实验室诊断方法是A.免疫比浊试验 B.免疫固定电泳 C.免疫

血液循环减少所致的缺氧为A.低张性缺氧 B.血液性缺氧 C.循环性缺氧 D

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