今天我在Eileen 家看到这个【Mathsmania - try it!】。。。
我Try了好多次,都找不到答案呐~~(我是不是很笨呢?)
有谁会呢???教教我吧!!!

ONLY SMARTIE GOT THE ANSWER!
For those who like a maths challenge - Mathsmania - try it!
FOR MATHS-INCLINED, PLEASE SOLVE......
QUESTION:
what's the next number??
1, 2, 6, 42, 1806, ?
the next number is the password to the excel file.
add your name in the list if you got the correct answer and pass it on!..

我好想打开 excel file 来看看呢!!!




























