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
This Sudoku's unsolvable, correct? by MajikWaffle
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9 | 12,875 | 2018-02-08 09:16:48 by ericnumberking |
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32
A little nice puzzle by iamaditya
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2 | 2,474 | 2018-01-16 07:29:11 by iamaditya |
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33
alfa+beta+gama puzzle by JohnOfStony
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1 | 2,826 | 2017-11-20 21:01:08 by phrontister |
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34
7x + 11y = N by Amctest123
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1 | 2,587 | 2017-10-20 21:59:52 by bob bundy |
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35 |
0 | 2,393 | 2017-09-26 23:44:51 by Hmp123 |
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36
Simple Law of Cosines problem by Xarzu
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1 | 2,461 | 2017-09-26 03:20:18 by bob bundy |
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37 |
1 | 4,272 | 2017-07-04 22:44:18 by thezenwizard |
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38 |
1,991 | 495,015 | 2017-07-03 06:52:25 by zetafunc |
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39
A Mathematical puzzle for android by Yvnar
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2 | 3,043 | 2017-06-14 21:23:21 by Yvnar |
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40 |
440 | 165,222 | 2017-05-23 00:18:34 by zetafunc |
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41
make 1 square from 3 squares moving 3 and removing 1 matches by kapitanamerika
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3 | 4,231 | 2017-04-25 01:58:23 by phrontister |
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42
Sam Loyd puzzles: Puzzle 1 by Mathivanan Palraj
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2 | 3,606 | 2017-04-18 21:30:33 by phrontister |
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43
Wrong answer to a puzzle? by wintersolstice
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14 | 9,445 | 2017-03-23 14:01:09 by phrontister |
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44 |
1 | 2,653 | 2017-02-28 16:24:00 by phrontister |
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45
New Puzzles 5 by MathsIsFun
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9 | 8,380 | 2017-01-22 01:05:27 by bobbym |
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46
Next number in sequence! by chamywak
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1 | 2,623 | 2017-01-14 10:42:10 by bobbym |
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47
Day-off by samuel.bradley.99
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10 | 8,036 | 2017-01-04 15:39:26 by popotamian |
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48 |
43 | 28,717 | 2016-12-19 14:53:27 by Mathegocart |
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49 |
588 | 150,402 | 2016-12-04 15:52:44 by bobbym |
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50
a classic game of dares by lightning
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13 | 11,062 | 2016-11-22 16:04:44 by bobbym |
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51
japenese names! by espeon
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12 | 14,033 | 2016-11-21 21:25:16 by Monox D. I-Fly |
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52
New Puzzle Site and Contest by SparkPlug
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3 | 4,794 | 2016-11-20 15:51:01 by Monox D. I-Fly |
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53
SOLS v5x5 by phrontister
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21 | 11,870 | 2016-11-20 07:03:14 by bobbym |
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54 |
98 | 97,381 | 2016-11-18 07:53:58 by scotts22 |
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55
ByteAway by Reso
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0 | 2,279 | 2016-11-18 01:57:56 by Reso |
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56
Special birthday date by phrontister
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8 | 5,005 | 2016-09-26 21:48:22 by phrontister |
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57
An interesting equation by Eulero
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17 | 10,193 | 2016-09-16 08:46:16 by bobbym |
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58
How Many Hundreds by angeleyes01
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4 | 6,321 | 2016-08-11 16:04:16 by Monox D. I-Fly |
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59
In Search of a Magic Number by Math Guy
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4 | 5,715 | 2016-08-11 15:46:40 by Monox D. I-Fly |
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60
numbers puzzle by prakash009
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1 | 2,107 | 2016-08-07 22:15:17 by thickhead |