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What is the probability that the one 3-digit and one 2-digit integers that could be formed out of 1, 2, 3, 4 and 5 (each figure is used for only once) are both even integers?
Give your answer as a fraction.
Give your answer as a fraction.
1 /10显示答案
· 相关考点
6.4.1 古典概率 6.3.4 排列
6.4.1 古典概率
6.3.4 排列
以上解析由 考满分老师提供。
