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11302遠距教學_排列_前測

Authored by 陳 品妍

Mathematics

12th Grade

Used 1+ times

11302遠距教學_排列_前測
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如圖

7! / 4!

7! / 3!

4! / 3!

7! / (4! × 3!)

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

從 5 個不同的物件中,任取 3 個排成一列,共有多少種排法?

10

20

60

120

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有 6 個座位排成一列,甲、乙兩人必須相鄰而坐,共有多少種坐法?

120

240

360

720

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將「ABCDE」五個字母排成一列,A 必須排在第一個位置,共有多少種排法?

24

60

120

720

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

從 1 到 9 的數字中,任取 3 個相異數字排成一個三位數,共有多少個不同的三位數?

84

504

720

1000

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