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Topic  Replies  Views  Last post 

691
Rectangles and optimization! (Hard) by Identity

1  749  20071226 08:17:28 by mathsyperson 
692
Letter puzzle by ganesh

4  2,441  20071225 23:09:08 by JohnnyReinB 
693
bananas by tony123

8  1,993  20071225 05:07:42 by Devantè 
694
solve the following system by tony123

1  806  20071219 00:46:49 by JaneFairfax 
695
the smallest value by tony123

1  878  20071218 14:15:05 by JaneFairfax 
696
prove by tony123

7  1,687  20071217 11:58:16 by Krizalid 
697
Name this pattern by Ricky

5  1,786  20071215 11:23:19 by mikau 
698
A to Z Questionnaire by ganesh

6  1,667  20071213 19:52:41 by ganesh 
699 
106  31,141  20071212 09:53:51 by lightning 
700
atriangle by tony123

15  2,899  20071208 03:39:09 by 100' 
701
Riddles by 222kitti_kat

12  2,333  20071207 21:20:55 by Devantè 
702
sin x by tony123

2  1,007  20071207 03:42:27 by JaneFairfax 
703
Solve the following equation by tony123

2  910  20071206 21:32:24 by NullRoot 
704
inequality by tony123

0  507  20071206 05:07:16 by tony123 
705
hard by tony123

1  754  20071204 11:47:19 by JaneFairfax 
706
Solve by tony123

4  1,103  20071204 05:55:40 by tony123 
707
Five Pirates by All_Is_Number

14  9,674  20071130 15:00:22 by JohnnyReinB 
708
Numbers in Tables : Part 2 by wustvn

1  999  20071117 21:40:16 by wustvn 
709
SpaceTime Arcade by Desa

0  1,332  20071111 09:25:46 by Desa 
710
Pangram????? by ganesh

2  961  20071110 03:20:31 by ganesh 
711
Blackflip by mathsyperson

2  1,752  20071108 09:32:00 by MathsIsFun 
712 
3  1,164  20071107 10:42:50 by Ricky 
713
Parted Square by MathsIsFun

6  1,469  20071107 10:16:33 by JaneFairfax 
714
Interesting velociraptor problem by JaneFairfax

3  3,871  20071104 07:30:55 by Ricky 
715
In Just Five minutes..... by ganesh

16  3,337  20071102 22:30:06 by Devantè 
716
Puzzles + Games by Iceshard

0  893  20071020 01:57:37 by Iceshard 
717
I'm thinking of a number... by bossk171

9  2,403  20071018 03:11:40 by JaneFairfax 
718 
35  8,062  20071016 07:18:10 by lightning 
719 
89  39,972  20071007 17:27:47 by mikau 
720
Fermat, computers, and a smart boy by ganesh

4  3,234  20071002 19:31:32 by ganesh 