“1) OOOA OOAO”應屬於一種安排吧?把它們排列成圈,看不出區別了。這樣就是11種了。
所有跟帖:
• Thankd, you are right.. -jinjing- ♀ (0 bytes) () 10/17/2010 postreply 21:13:11
• Thankd, you are right.. -jinjing- ♀ (0 bytes) () 10/17/2010 postreply 21:13:11
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