CORE-ZONE 討論區
»
IQ大比拼
»
鈺方姊結婚了！
<a href='http://ads.manyway.net/20/adclick.php?n=a3679093' target='_blank'><img src='http://ads.manyway.net/20/adview.php?what=zone:228&n=a3679093' border='0' alt=''></a>
2008-4-12 20:29
howardfeiho
鈺方姊結婚了！
鈺方姊結婚了耶！結婚後她打算生3個小孩，如果生男生女的機率相同，那麼請問，第一個孩子是男孩，第三個孩子也是男孩的機率有多大？
解答：1/2 x 1/2 = 1/4
頁:
[1]
查看完整版本:
鈺方姊結婚了！
<a href='http://ads.manyway.net/20/adclick.php?n=a3e967cd' target='_blank'><img src='http://ads.manyway.net/20/adview.php?what=zone:229&n=a3e967cd' border='0' alt=''></a>
Powered by
Discuz! Archiver
5.5.0
© 2001-2006
Comsenz Inc.