配套习题- 除法解决定序问题 -【青果学院】

1/3单选题

难度：

1.6个人站成一排，甲必须站在乙的左边，共有（）种排法。

A	360
B	240
C	340
D	520

正确答案：QQ==

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

2/3单选题

难度：

2.4名男生和4名女生站成一排，其中4名男生按照高矮的顺序排列，共有（）种排列方式！

A	590
B	1450
C	1680
D	240

正确答案：Qw==

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

3/3单选题

难度：

3.期中考试中要考9门，语文要在数学之前考，有（）种考试安排方式。

A
B
C
D

正确答案：QQ==

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