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Topic: 3 coins on a line (Read 669 times) |
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BNC
Uberpuzzler
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3 coins on a line
« on: Jan 25th, 2003, 12:02pm » |
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Add two coins to the seven coins shown, so that there will be 10 straight lines, 3 coins on each.
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| « Last Edit: Jan 25th, 2003, 12:03pm by BNC » |
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How about supercalifragilisticexpialidociouspuzzler [Towr, 2007]
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Yvee
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| « Last Edit: Jan 25th, 2003, 3:01pm by william wu » |
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redPEPPER
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Re: 3 coins on a line
« Reply #2 on: Jan 25th, 2003, 1:03pm » |
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I got something but I don't know if it fits:
Add a coin on the top row, between the two top coins. Pile the other coin on the middle coin. This way you have a square with one "open" side (the bottom side). The three remaining sides have three coins each, and from the center to the other 7 coins you can draw 7 segments of three coins each. But these would be segments, not really lines. The lines would actually contain 4 coins so I don't know if that fits the riddle.
Edit: Just saw Yvee's solution. Probably fits better than mine. I actually thought about something like that but I forgot to count two lines and discarded it. Funny how I needed to see it posted by someone else to find the remaining lines.
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| « Last Edit: Jan 25th, 2003, 1:05pm by redPEPPER » |
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