最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦~

The numbers 5, 8, 9, 9 and 9 are written on five different cards, as shown. If two of the cards are to be selected randomly, without replacement, what is the probability that the sum of the numbers on the two cards will be a multiple of 3? Give your answer as a fraction.
3 /10显示答案
· 相关考点
6.4.4 条件概率 6.4.1 古典概率 1.8.6 能被特殊数字整除数字的规律
6.4.4 条件概率
6.4.1 古典概率
1.8.6 能被特殊数字整除数字的规律
以上解析由 考满分老师提供。