In how many different ways can 3 men and 4 women be placed into two groups of two people and one group of three people if there must be at least one man and one woman in each group? ( ) A. 12 B. 24 C. 72 D. 90 E. 36...
解析 C [解析] 把这三个职位固定为1,2,3,然后求这三个人有多少种不同的排列来占取这三个位置,其排列数为P=3X2X1=6,所以共有6种不同的分配方法。 结果一 题目 In how many different ways can 3 people be assigned to fill 3 different positions so that each person is assigned to exactly one ...
In how many different ways can 3 identical green shirts and 3 identical red shirtsbe distributed among 6 children such that each child receives a shirt? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 翻译:有多少种方法可以吧3件同样的红衬衫和3件同样的绿衬衫分给6个小孩,使...
(1)In how many different ways did the man contact the woman?A. Two.B. Three. C. Four.(2)What did the woman do five minutes ago?A. The woman turned on her phone.B. The woman left a message for the man.C. The woman got back from lunch....
In how many different ways can 3 identical green shirts and 3 identical red shirtsbe distributed among 6 children such that each child receives a shirt? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 翻译:有多少种方法可以吧3件同样的红衬衫和3件同样的绿衬衫分给6个小孩,使...
aIn how many different ways can the letters ABCD be arranged? 用信件能ABCD被安排多少别的方法?[translate]
2【题目】In how many different ways can the figure shown below be colored using fourdifferent colors so thatthe adjacent regions have different colors?D
In how many different ways can six identical coins be distributed among Al, Bo, and Carl so that each gets at least 1 coin( ).A.10B.9C.8D.7 答案 AThe only possible distributions(Al,Bo,Carl)are these ten:(1,1,4),(1,2,3),(1,3,2),(1,4,1),(2,1,3),(2,2,2),(2,3,...
Any one of the five pupils can be seated in the first chair, any of the four remaining pupils in the second chair, any of the three remaining pupils in the third chair, and any of the remaining two pupils in the fourth chair. Thus, five pupils can be seated in four chairs in 5×...
In how many different ways can the cars of a three car train be arranged更多:https://www.bmcx.com/? 翻译结果(简体中文)1: 在许多不同的方式可以如何安排三节车厢的车呢更多:https://www.bmcx.com/? 翻译结果(简体中文)2: 有多少不同的方式可以安排的三辆汽车火车车厢更多:https://www.bmcx.com...