場合の数3
Authored by Yoshiyuki SUZUKI
Mathematics
6th - 8th Grade
Used 8+ times
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5 questions
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1.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
5人から2人の代表を選ぶ選び方は何通りあるか．
(a)
2.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
正五角形について，対角線は全部で何本あるか．
(a)
3.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
男子3人，女子4人から，男子2人，女子2人を選ぶ選び方は全部で何通りあるか．
(a)
4.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
5人を2人と3人に分ける分け方は全部で何通りあるか．
(a)
5.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
りんご，みかん，ぶどうの3種類の果物を合計4個買いたい．
1個も買わない果物があってもよいとき，全部で何通りの買い方があるか．
(a)
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