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

游客2024-01-12 52

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

"Avoidtherush-hour"mustbethesloganoflargecitiesallovertheworld.

Personalityistoalargeextentinherent—Atypeparentsusuallybringabo

Itseemstobealawinthetechnologyindustrythatleadingcompaniesevent

【S1】[br]【S5】N空格处应填入动词构成不定式，并和后面的宾语构成搭配。动词中只有[N]respect(尊敬)符合句意。本句的意思为“他们会看到人类经

Americanstodayhavedifferenteatinghabitsthantheyhadinthepast.Ther

下列各句中，“数”字作“计算”义解的是（ ）A．此其过江河之流，不可为量数

决议和决定都是对重大事项或行动作出决策安排的指挥性下行公文，下列关于二者的说法不

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处方外文缩写OU代表()A.双眼 B.左耳 C.左眼 D.右耳 E.

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