甲.乙.丙三人分别在电影院的第一排各自坐下,第一排一共有十个座位且之前无人就坐,则三人中至少有两人座位相邻的概率为多少?
发布时间:2025-11-29
A.1/5
B.3/5
C.8/15
D.2/3
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