
排列組合練習

Quiz
•
Mathematics
•
10th Grade
•
Medium
hiofan Wong
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有10名旅客乘坐輪船渡河,現有足夠坐位的輪船4艘,則有不同的乘坐方法 ( )
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
全班30人中任選2人擔任司儀,則有不同的選法 ( )
230種
302種
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
把3封不同的信投入5個郵箱中,則有_____種不同的投法。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一個密碼鎖的密碼由4個數字組成,密碼鎖可以有多少個不同的密碼?
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
從5名老師、6名學生中選出4人參加慈善馬拉松, 恰好是2名老師和2名學生,則有多少種情況?
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
從甲、乙、丙、丁四人中任選2人參加舞蹈校隊,有_______種不同的選法。
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
由4個不同的舞蹈節目和3個不同的合唱節目組成一台晚會,
要求舞蹈節目相鄰,合唱節目也相鄰,共有多少種不同的節目編排方式?
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