問1 異なる色の7個の玉を机の上に円形に並べる方法は何通りあるか。【数字は半角】
20210614_場合の数④

Quiz
•
Mathematics
•
8th Grade
•
Hard
Takayuki Yokoi
Used 7+ times
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7 questions
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1.
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30 sec • 1 pt
2.
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30 sec • 1 pt
問2 5か国の首相が円形のテーブルに着席して会議をする。着席の方法は何通りあるか。【数字は半角】
3.
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30 sec • 1 pt
問3⑴ 1,2,3,4を使ってできる4桁の整数は何個あるか。ただし,数字は重複して使ってもよい。【数字は半角】
4.
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30 sec • 1 pt
問3⑵ 2,3,4を使ってできる5桁の奇数は何個あるか。ただし,数字は重複して使ってもよい。【数字は半角】
5.
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30 sec • 1 pt
問4 1個のさいころを3回投げるとき,目の出方は何通りあるか。【数字は半角】
6.
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30 sec • 1 pt
問5 7題の問題に〇,×で答えるとき,答え方は何通りあるか。【数字は半角】
7.
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30 sec • 1 pt
問6 5人が1回じゃんけんするとき,その出し方は何通りあるか。【数字は半角】
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