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题目内容双击单词支持查询和收藏哦～
What is the probability that the tens digit of the selected number is even when randomly selecting a number from all the two-digit odd integers?
Give your answer as a fraction.
4 /9显示答案
· 相关考点
6.4.1 古典概率
6.4.1 古典概率
以上解析由 考满分老师提供。
