Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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Puzzles and Games
| Topic | Replies | Views | Last post |
|---|---|---|---|
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1 |
116 | 143,912 | 2015-05-29 05:56:01 by bobbym |
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2
Special birthday date by phrontister
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8 | 193 | 2016-09-26 21:48:22 by phrontister |
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3
An interesting equation by Eulero
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17 | 539 | 2016-09-16 08:46:16 by bobbym |
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4
How Many Hundreds by angeleyes01
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4 | 2,460 | 2016-08-11 16:04:16 by Monox D. I-Fly |
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5
In Search of a Magic Number by Math Guy
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4 | 2,533 | 2016-08-11 15:46:40 by Monox D. I-Fly |
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6
numbers puzzle by prakash009
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1 | 275 | 2016-08-07 22:15:17 by thickhead |
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7
puzzle on finding out the biggest container by burgess
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3 | 1,272 | 2016-08-03 08:39:48 by penbowl |
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8
"Cars Across the Desert Puzzle" by wintersolstice
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1 | 405 | 2016-07-13 14:40:24 by Nehushtan |
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9
Two rugs by juan.manuel.prada29
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2 | 440 | 2016-06-29 23:23:10 by juan.manuel.prada29 |
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10
Prisoners and hats - one more variation by salem_ohio
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10 | 1,158 | 2016-06-29 02:32:50 by thickhead |
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11
Urn with marbles by juan.manuel.prada29
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3 | 304 | 2016-06-29 01:45:37 by thickhead |
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12 |
580 | 29,370 | 2016-06-14 05:23:35 by bobbym |
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13
Sort of like Sudoku by patchy1
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24 | 4,152 | 2016-06-14 00:02:07 by phrontister |
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14 |
3 | 1,345 | 2016-06-07 20:55:37 by phrontister |
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15 |
40 | 2,043 | 2016-06-07 15:27:58 by bobbym |
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16 |
49 | 22,190 | 2016-06-04 12:07:28 by Nehushtan |
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17
200 300 - a game of out-guessing other players by InspectorCthulhu
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1 | 304 | 2016-06-02 04:09:41 by Lessismore |
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18
Omnichronicon puzzle? by Lessismore
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0 | 365 | 2016-06-02 03:14:09 by Lessismore |
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19
Weather forecast by salem_ohio
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11 | 963 | 2016-05-06 10:50:13 by salem_ohio |
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20 |
437 | 56,521 | 2016-05-03 02:33:15 by bobbym |
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21 |
1,979 | 248,061 | 2016-05-03 02:32:36 by bobbym |
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22
The missing dollar (& the 2 extra dollars) by phrontister
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8 | 3,224 | 2016-05-02 00:01:19 by phrontister |
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23
Is this an impossible question? by Calligar
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8 | 1,275 | 2016-04-20 19:03:45 by thickhead |
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24 |
97 | 52,677 | 2016-04-16 21:07:56 by thickhead |
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25
Can anyone help me with this riddle? by joesmoe
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16 | 7,205 | 2016-04-16 19:10:26 by thickhead |
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26
Perfect Squares by anna_gg
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20 | 7,947 | 2016-04-16 03:48:14 by thickhead |
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27
Day-off by samuel.bradley.99
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8 | 1,054 | 2016-04-13 07:21:48 by samuel.bradley.99 |
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28
Phi Brain (Anime) Puzzle by Calligar
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10 | 1,512 | 2016-04-11 12:21:34 by phrontister |
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29 |
32 | 4,220 | 2016-04-10 12:36:38 by Calligar |
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30 |
209 | 64,199 | 2016-04-10 01:54:14 by bobbym |