一间房子有六个进出口的门,两人从不同的门进、不同的门出,且不从自己进入的同一个门出的方法有_________种。
打怪升级题(排列与组合)

Quiz
•
Mathematics
•
11th - 12th Grade
•
Hard
陈长夷师-CHAN YEE
Used 6+ times
FREE Resource
9 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
2.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
教务处想在五天内安排三科的考试,若每天最多考两科;
有多少种安排的方法?
3.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
从0到7八个数字中选出数字组成四位数,数字不重复且是4的倍数有几个?
4.
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5 mins • 1 pt
十家企业派出总经理及一位部门经理两人参加一项研习会。在其中一个环节,从中抽出五人进行模拟会议,选出来自不同公司的五人,分配一人当模拟会议的主持人、一人会议记录兼发言人、三位发言人,共多少种分配方法?
5.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
来自慈善团体的6位志工分配到4个不同的班级去同时间进行志工服务培训工作,问共有多少种分配法?
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
从1到100共一百个数中,任取两个数相乘,使它们的乘积能被4整除,这两个数共有多少种不同的取法?
7.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
510510有多少个因数?
8.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
9.
FILL IN THE BLANK QUESTION
10 mins • 1 pt
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