當代愚公!

回答: 20圓錢涮埽2011-08-04 17:44:24

$3,000,000 / $20 / 365 (day) / 40 (year) = 10.27 (times/day)

同學們那,這才是當代愚公啊!挖山不止,一日十次,四十年啊!

所有跟帖: 

There is a little word 'interest' you may forget -was1999- 給 was1999 發送悄悄話 (0 bytes) () 08/04/2011 postreply 20:07:54

請您先登陸,再發跟帖!