Re: 讀心術
zeeeeeec 寫道:
how come?????? amazing!!!
zeeeeeec :mrgreen:
The principle is very simple.
Think a number say 47. Then subtract from it with its digits. Say 47 - 4 - 7 = 36. Then, the remaining must be divisible by 9.
You think a number 10x + y.
Do subtraction 10x + y - x - y = 9x
So, you can realize that the symbols for all 9's multiples (9,18,27,36,45,...)are the same.
Best Rgds.
CityHunter.
BB 叫 Benjamin
太太餵人奶
2004/02/02 3.09kg - 出世
2004/05/01 6.00kg - 識叫‘阿爹、爹、Un-coo’
2004/05/25 6.59kg - 鍾意用女仔聲去聊人講‘野‘
2004/06/02 6.72kg - 4個月大，很乖地看媽媽涼衣服
2004/06/19 7.00kg - 4個半月大
2004/07/02 7.15kg - 5個月大，D喊聲唔同初生時候
2004/07/28 7.40kg - 快6個月啦！主動又好費力地才叫到Daddy。
2004/08/02 7.50kg - 鍾意媽媽奶，張開獅子口。對其他糊仔，閉緊咪實。
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