假設提款卡密碼由0到9的數字組成,且為四位數。如果數字可以重複使用,總共有多少種不同的密碼組合?

數學組合與排列問題

Interactive Video
•
Mathematics
•
12th Grade
•
Hard
Vanko Vong
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1000
5000
9999
10000
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某地區的汽車車牌號碼由六碼組成。前四碼為阿拉伯數字(0-9),後兩碼為英文字母(A-Z)。如果數字和字母都可以重複使用,請問此規格的車牌號碼共有幾種不同的組合?
10^4 * 26^2
10^4 + 26^2
10 * 4 * 26 * 2
(10+26)^6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
假設有5本不同的書要分給甲、乙、丙三人,每本書都必須分出去。請問共有幾種不同的分書結果?
5^3
3^5
5! / 3!
P(5,3)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
延續上題,若有5本不同的書要分給甲、乙、丙三人,且每本書都必須分出去。如果要求甲至少拿到一本書,請問共有幾種不同的分書結果?
3^5 - 2^5
3^5 - 3
5^3 - 2^3
5^3 - 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
假設有甲、乙、丙三艘不同的船,每艘船最多只能載4人。若有5人欲搭船,且每個人都可以自由選擇船隻,請問共有幾種合理的搭乘情形?
3^5 - 3
5^3 - 3
3^5 - 5
5^3 - 5
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