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某知识竞赛共50道单项选择题，小李和小王从中各自随机选择48道题
【2019四川下-47】 某知识竞赛共50道单项选择题，小李和小王从中各自随机选择48道题作答。问他们未选的两道题相同的概率是： A.1/25×1/49 B.(1/25×1/49)^2 C.1/50×1/49 B.(1/50×1/49)^2
公务员考试数量关系刷题组9/53
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