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升大溫習-組合

Authored by iokhong che

Mathematics

9th - 12th Grade

Used 4+ times

升大溫習-組合
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

有10個同學兩兩互贈照片一張,共有多少種可能?

10

20

90

45

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

有10位同學,如果兩兩握手,共握了多少次手?

10

45

90

20

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

從棒球選手9人,游泳選手6人中選出4人擔任福利委員。

有多少種不同的選法?

15

54

32760

1365

4.

MULTIPLE CHOICE QUESTION

3 mins • 3 pts

有12個人,AB是其中2人,從這12人中,選出5人,其中A必選中,問有多少種不同的選法?

792

330

420

352

5.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

從男子12人、女子4人中選取4人,組成一個委員,

求委員會中至少有1名女子的選法?

1820

880

1325

1465

6.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

將相同的白球三個,黑球一個,紅球一個,排成一列,

問共有多少種排法?

10

20

15

60

7.

MULTIPLE CHOICE QUESTION

3 mins • 3 pts

ABCDEF六人按照3、2、1分成三組,

請問有幾種分組的方法?

60

10

45

20

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