> 数学 >
?3个球随机的放到4个杯子里,杯子里最大数为1的概率?
人气:472 ℃ 时间:2019-12-18 18:02:06
解答
任意放球的方法有类64种3000(1种),2100(3种),2010(3种),2001(3种),1200(3种),1110(6种),1101(6种),1020(3种),1011(6种),1002(3种),0300(1种),0210(3种),0201(3种),0120(3种),0111(6种),0102(3种),0030(1种),0021(3种...
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版