中二數學分數題

2007-09-08 11:34 pm
   1   1   1     1     1        1  
1. ---+---+----+-----+-----+..+-----
  1*5 5*9 9*13 13*17 17*21    33*37





   2   2   2           2
2)---+---+---+......+------              1*3 3*5 5*7        99*101





  2 2 2  2   2
3)-+-+--+--+---
  3 9 27 81 243



   22  42   62          202
4)---+---+---+......+-----
  1*3 3*5 5*7        19*21

    1    2    3    4    5      2002
5)----+----+----+----+----+...+----
  2002 2002 2002 2002 2002     2002

回答 (2)

2007-09-09 12:58 am
參考: me
2007-09-09 12:01 am
1) 1952┘8177
2) 0.000010282
3) 242┘243
4) 4/3+16/15+36/35+64/63+100/99+144/143+196/195+256/255+324/323=9┘9┘19
5) (((1+2002)X2002)/2)/2002 = 1001.5
參考: my self


收錄日期: 2021-04-24 23:15:54
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