I found this.
http://math.stackexchange.com/questions/261826/what-is-three-different-way-to-solve-this-probability-combinatorics-problem-of
剛開始以為您又要搞腦筋急轉彎,故意把d改成了?d.
I found this.
http://math.stackexchange.com/questions/261826/what-is-three-different-way-to-solve-this-probability-combinatorics-problem-of
剛開始以為您又要搞腦筋急轉彎,故意把d改成了?d.
• well, I should have said no googling -392- ♂ (138 bytes) () 12/28/2012 postreply 19:15:15
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