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標題: [分享] A Little Magic of Mathematics [打印本頁]

作者: swimmingGIRL 時間: 2010-10-13 04:13 AM 標題: A Little Magic of Mathematics

本帖最後由 swimmingGIRL 於 2010-10-13 04:14 AM 編輯

Grab a calculator. (You won't be able to do this one in your head.)
Remove the last 4 digits of your phone number then key in the rest of the digits of your phone number (NOT including the area code.)
Multiply by 160
Add 2
Multiply by 125
Add the last 4 digits of your phone number
Add the last 4 digits of your phone number again
Subtract 250
Divide by 2

Do you recognize the answer?

作者: h3w8529 時間: 2010-11-1 01:25 AM

it works in malaysia phone number?

作者: 陳景賢 時間: 2010-11-1 11:59 AM

not thing happen,
I don't understand ...

作者: max368464 時間: 2010-11-3 12:48 AM

what the hell all bull shit

作者: F_R_A_N_K 時間: 2010-11-5 08:52 AM

interesting, the full phone number appears.

作者: cmchan401072 時間: 2010-11-17 12:32 AM

thank you !!

作者: starfish888 時間: 2011-11-25 11:46 AM

it works with m'sia phone number too.

作者: honhon1176 時間: 2011-11-26 02:23 PM

thanks for sharing.

作者: mothertvb 時間: 2012-9-24 08:19 AM

it works with m'sia phone number too.改名
starfish888 發表於 2011-11-25 11:46 AM

我这什么也没发生！！！

作者: kk200807 時間: 2012-10-13 10:23 PM

I look through it multiply 20000 in first four digits then add the last four digits twice, finally divided by two. So your phone number is recovered.

Remark that this only work for eight digits telephone number

作者: supa721 時間: 2012-10-14 10:21 AM

160x125/2=10000, which gives you nice 4 space (4 zeros) to add your last 4 digits twice then divided by 2

It will work with any length of number that has at least 5 digits (of course).

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