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場合の数3

Authored by Yoshiyuki SUZUKI

Mathematics

6th - 8th Grade

Used 8+ times

場合の数3
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5 questions

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1.

FILL IN THE BLANK 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.

2.

FILL IN THE BLANK 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.

3.

FILL IN THE BLANK 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.

4.

FILL IN THE BLANK 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.

5.

FILL IN THE BLANK 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.

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