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

游客2024-01-12 57

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

[originaltext]M:Johnwashalfanhourlateforworkthismorning.W:Butit’s

Theidealcompanionmachinewouldnotonlylook,feel,andsoundfriendlybu

Thefollowingisapassageaboutinventorsandtheirinventions.Newinv

下面格式不正确的指令是（）。A.MOVAX，38 B.MOVSP，38 C.

患者，女，50岁。头部外伤史，头刺痛，前额部尤甚，舌质暗，脉弦涩，拟采用活血化瘀

药物化学为药剂学和药物分析学奠定A.物理化学基础 B.化学基础 C.生物有机

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A.肝细胞广泛水样变性、点灶状坏死 B.肝细胞广泛脂肪变性、点灶状坏死 C.