1,A couple wants to tour four cities in Europe(London,Hamburg,Paris,and Zurich)on their honeymoon.If an irinerary is the order in which these cities will be visited,how many itineraries are possible?2,How many ways can a committee of twenty people el

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1,AcouplewantstotourfourcitiesinEurope(London,Hamburg,Paris,andZurich)ontheirhoneymoon.Ifanirinerary

1,A couple wants to tour four cities in Europe(London,Hamburg,Paris,and Zurich)on their honeymoon.If an irinerary is the order in which these cities will be visited,how many itineraries are possible?2,How many ways can a committee of twenty people el
1,A couple wants to tour four cities in Europe(London,Hamburg,Paris,and Zurich)on their honeymoon.If an irinerary is the order in which these cities will be visited,how many itineraries are possible?
2,How many ways can a committee of twenty people elect a president,secretary,and a treasurer?

1,A couple wants to tour four cities in Europe(London,Hamburg,Paris,and Zurich)on their honeymoon.If an irinerary is the order in which these cities will be visited,how many itineraries are possible?2,How many ways can a committee of twenty people el
1,4*3*2*1=24
2,20*19*18= 自己算一下吧

a couple 英语初一试卷题用正确的运动介词填空1l want to take the plane to fly __the ocean and he wants to take a ship to go __the ocean.2We must get __the forest before sunest.3The couple walked __the path and enjoyed the sights.4 His son fell_ 选哪个?为什么?Your hair wants ______; you’d better have it ______ in a couple of days.A.to cut,done B.to cut,to be doneC.cutting,done D.cutting,being done After joining the workforce for a couple of years,Mr.Takanashi returned to.a couple 1,A couple wants to tour four cities in Europe(London,Hamburg,Paris,and Zurich)on their honeymoon.If an irinerary is the order in which these cities will be visited,how many itineraries are possible?2,How many ways can a committee of twenty people el You would have to transfer a couple of times. Our relation is approaching to a couple神马意思? using a couple of words to describe yourself是什么意思 Jane wants to go to a movie ( )about wild plants that they decided to make a trip to Madagacar for further researchA.so curious the couple wasB.so curious were the couple C.how curious was the couple wereD.the couple was such curious 单选题 Many people will come to the meeting.Would you please get ____cups?a.a couple more b.a couple of more c.another couple of d.other couple of a couple of a couple of a couple of weeks a pair of couple a couple of造句, a couple 及造句? a couple of