訂購 Herman Yeung 數學天書詳情

2015年7月21日 星期二

得意的除數


2014-07-05

近日睇到一條片,有d幾得意的數字遊戲,
有興趣睇睇 大家知唔知 1 除 99980001 等如幾多?



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原來係 0.00000001000200030004000500060007000800090010001100120013001400150016001700180019002000210022002300240025002600270028002900300031003200330034003500360037003800390040004100420043004400450046004700480049005000510052005300540055005600570058005900600061006200630064006500660067006800690070007100720073007400750076....

類似的得意情況亦出現於 1 除 998001 等如 0.000001002003004005006007008009010011012013014015016017018019020021022023024025026027028029030031032033034035036037038039040041042043044045046047048049050051052053054055056057058059060061062063064065066067068069070071072073074075076....

又或者 1 除 9801 等如 0.0001020304050607080910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576...

又或者 1 除 81 等如 
0.01234567... 

source:  https://www.youtube.com/watch?v=daro6K6mym8

Herman Yeung


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