作者Hydrisk (Fear...)
看板Yup00-02
標題一張發票的價值
時間Mon Feb 16 09:54:38 2009
今天無聊算算一張發票值多少錢
=(3/1000-3/10000-3/100000-3/1000000-3/10000000-3/100000000)*200+(2/1000)*200
+(3/10000-3/100000-3/1000000-3/10000000-3/100000000)*1000+(3/100000-3/1000000
-3/10000000-3/100000000)*4000+(3/1000000-3/10000000-3/100000000)*10000+(3/100
00000-3/100000000)*40000+3/100000000*200000+1/100000000*2000000
=1.370184
一張發票值台幣 1.370184
所以一個月累積一百張得沒去對獎的話
就損失137元耶
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