讀心術

http://www.mathsking.net/mind.htm

Well, this is not 讀心術, this is just a trick to show how poor is your math. . .

ya
just is factor of 9 …

呵呵… 以前玩過了… 也給我破解了~
謝謝分享

好象都不准哦!!
嘿嘿。。。。

好准哦… [s:21]

lier ~~~~hahahaha

好准啊 [s:26] [s:26]