排列,組合,概率

排列,組合,概率

12th Grade

10 Qs

quiz-placeholder

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排列,組合,概率

排列,組合,概率

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

coffee ng

Used 1+ times

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10 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

5名男生和1名女生排成一行,若女生不排頭也不排尾,則不同排法的種數為

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

8把不同的鑰匙中只有1把能打開某鎖,那麼從中任取2把能將該鎖打開的概率為

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

甲、乙兩人各進行一次射擊,甲擊中目標的概率是0.8,乙擊中目標的概率是0.6,則兩人都擊中目標的概率是

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

10

20

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

在1,2,3,...,9的九個數字裡,取四個數字排成一個首末兩個數字是奇數的四位數,這樣的四位數有多少個?

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