
升大溫習-組合
Authored by iokhong che
Mathematics
9th - 12th Grade
Used 4+ times

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10 questions
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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,A、B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
有A、B、C、D、E、F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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