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[Problem Solving]

试题详情

题目:

Each signal that a certain ship can make is comprised of 3 different flags hanging vertically in a particular order.  How many unique signals can be made by using 4 different flags?

选项:

A、10
B、12
C、20
D、24
E、36

答案:

D

提问:

PS-数学

解答:

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解答: sysadmin

提问:

PS-数学

解答:

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解答: sysadmin老师

提问:

题目不明白是什么意思 之前一个录音说到式子为P43,不知道为什么这么列

解答:

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解答: sysadmin老师

提问:

不是P43吗?谢谢。

解答:

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解答: sysadmin老师

提问:

Each signal that a certain ship can make is comprised of 3 different flags hanging vertically in a perticular order.How many unique signals can be made by using 4 different flags? A 10 B12 c 20 D 24 E 36

解答:

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解答: sysadmin老师

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