1)101/188
2)27/196
3)3/4,1/7
4)101/1372
• 4)1/14, 原答案是挑出周二男孩(不排除二男孩) -jinjing- ♀ (0 bytes) () 02/08/2011 postreply 19:53:31
• 回複:1)題目不清?重複一遍 -wushuihe- ♂ (196 bytes) () 02/09/2011 postreply 02:08:56
• 13/27 -jinjing- ♀ (50 bytes) () 02/09/2011 postreply 12:09:30
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy