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数A 場合の数

Authored by Shunji Nishikawa

Mathematics

2nd Grade

Used 2+ times

数A 場合の数
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

大小2個のサイコロを投げるとき,目の和が6の倍数になるのは何通りあるか?

6

5

3

7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5人の男子と,3人の女子から男女1名ずつ代表を選ぶとき,代表2人の選び方は何通り?

15

8

5

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 72=23×3272=2^3\times3^2  である。
72の正の約数は何個あるか?

5

7

6

12

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

  5P0=\ _5P_0=  

1

0

5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4人の円順列の総数は?

4

6

24

1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2種類の文字a,bから,

重複を許して3個選んで1列に並べると,何通りの文字列ができるか?

2

8

6

9

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1000C999=\ _{1000}C_{999}=  

1000

1

999

1999

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