排列

排列

11th Grade

13 Qs

quiz-placeholder

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排列

排列

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Medium

Created by

Cheng Angela

Used 4+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3!=3!=  

6

10

20

 3030  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 P25=P_2^5=  

6

10

20

 3030  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 將"你好嗎"3個字加以排列,則有多少種完全不同的排法?

6

10

20

 3030  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 阿宸、阿豪、阿哉、阿禹 等4人排成一列跳街舞,阿禹 排首位之排法有幾種?

6

24

64

16

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

甲、乙、丙、丁、戊五個人排成一列

任意排有多少種排法?

 1×4!=241\times4!=24 

4!×2=484!\times2=48

 5!=1205!=120 

 3!×P24=723!\times P_2^4=72 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

甲、乙、丙、丁、戊五個人排成一列

甲、乙兩人一定要相鄰,有多少種排法?

1×4!=241\times4!=24

4!×2=484!\times2=48

5!=1205!=120

3!×P24=723!\times P_2^4=72

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

甲、乙、丙、丁、戊五個人排成一列

甲為班長必排在首位,有多少種排法?

 1×4!=241\times4!=24 

4!×2=484!\times2=48

 5!=1205!=120 

 3!×P24=723!\times P_2^4=72 

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