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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31
Two rugs by juan.manuel.prada29
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2 | 1,043 | 2016-06-29 23:23:10 by juan.manuel.prada29 |
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32
Prisoners and hats - one more variation by salem_ohio
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10 | 2,464 | 2016-06-29 02:32:50 by thickhead |
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33
Urn with marbles by juan.manuel.prada29
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3 | 952 | 2016-06-29 01:45:37 by thickhead |
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34 |
3 | 1,960 | 2016-06-07 20:55:37 by phrontister |
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35 |
40 | 5,753 | 2016-06-07 15:27:58 by bobbym |
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36 |
49 | 26,124 | 2016-06-04 12:07:28 by Nehushtan |
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37
200 300 - a game of out-guessing other players by InspectorCthulhu
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1 | 730 | 2016-06-02 04:09:41 by Lessismore |
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38
Omnichronicon puzzle? by Lessismore
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0 | 844 | 2016-06-02 03:14:09 by Lessismore |
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39
Weather forecast by salem_ohio
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11 | 2,120 | 2016-05-06 10:50:13 by salem_ohio |
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40
The missing dollar (& the 2 extra dollars) by phrontister
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8 | 3,913 | 2016-05-02 00:01:19 by phrontister |
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41
Is this an impossible question? by Calligar
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8 | 2,308 | 2016-04-20 19:03:45 by thickhead |
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42
Can anyone help me with this riddle? by joesmoe
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16 | 8,289 | 2016-04-16 19:10:26 by thickhead |
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43
Perfect Squares by anna_gg
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20 | 9,842 | 2016-04-16 03:48:14 by thickhead |
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44
Phi Brain (Anime) Puzzle by Calligar
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10 | 2,429 | 2016-04-11 12:21:34 by phrontister |
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45 |
32 | 5,881 | 2016-04-10 12:36:38 by Calligar |
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46 |
209 | 73,490 | 2016-04-10 01:54:14 by bobbym |
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47 |
226 | 40,544 | 2016-04-07 02:40:11 by bobbym |
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48
Snakes and Ladders with Strategies to Help Learning Mathematics by Monox D. I-Fly
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0 | 3,875 | 2016-03-21 15:30:40 by Monox D. I-Fly |
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49
sdrawkcab slamina by lightning
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21 | 8,769 | 2016-03-13 20:52:25 by mathaholic |
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50
Dominion by Agnishom
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2 | 1,105 | 2016-03-13 20:39:25 by mathaholic |
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51
Is this really true?!!! by Grantingriver
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5 | 1,626 | 2016-02-26 01:28:10 by Grantingriver |
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52
The beauty of physics (reasoning without data)!! by Grantingriver
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2 | 856 | 2016-02-19 03:50:07 by Grantingriver |
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53
Calculus by meerblau
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6 | 1,367 | 2016-02-17 20:11:38 by meerblau |
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54 |
101 | 17,294 | 2016-02-07 15:12:29 by mathaholic |
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55
5 pirate problem. by pathfinder2104
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13 | 4,674 | 2016-01-16 23:52:03 by Relentless |
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56 |
2,310 | 445,456 | 2016-01-10 07:44:24 by bobbym |
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57
Mathematical Sequence Puzzle by ecinreb
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4 | 1,836 | 2016-01-03 22:44:07 by Relentless |
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58
Find the equations by tyuighp
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6 | 1,526 | 2016-01-02 17:25:55 by Nehushtan |
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59
The Monty Hall Problem by jas511
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15 | 7,851 | 2016-01-01 16:24:01 by Calligar |
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60
The paradox of the infinite pyramid scheme by Solvitur ambulando
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12 | 2,269 | 2015-12-19 19:24:59 by Relentless |