119概率中等数值题short
Four Cards, All Different Ranks
题目
Four cards are drawn without replacement from a standard 52-card deck. What is the probability that all four cards have different ranks?
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提交作答时记录，用于后续平均用时统计。
你的答案
题目
Four cards are drawn without replacement from a standard 52-card deck. What is the probability that all four cards have different ranks?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案