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Counting Principles  (id: 75ebb4128)

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admin 发表于 2024-6-2 22:04:01 | 显示全部楼层 |阅读模式
本题目来源于试卷: Counting Principles ,类别为 IB数学

[填空题]
Tyler needs to decide the ordeveaa(ax ie: 1+r in whichu+ryi(u.-a vo to schedule 11 exams for his school. Two of these exams are Chemistry ( 1 SL and 1 HL). Find the number of different ways Tyler can schedule the 11 exams given thayr. v (-uuao+it the two Chemistry subjects must not be consecutive.a×10b a =    b =   




参考答案:
空格1: 3.27空格2: 7


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