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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1626 2012-12-14 19:41:23

bobbym
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Re: Add 13 more and post it forever.

21138


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1627 2012-12-15 11:01:20

mathaholic
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Re: Add 13 more and post it forever.

Last edited by julianthemath (2012-12-15 11:02:00)


246 pages on Prime Numbers Wiki (+1)
 

#1628 2012-12-15 11:23:54

bobbym
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Re: Add 13 more and post it forever.

21164


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1629 2012-12-15 20:19:06

mathaholic
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Re: Add 13 more and post it forever.

21177


246 pages on Prime Numbers Wiki (+1)
 

#1630 2012-12-15 20:49:53

bobbym
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Re: Add 13 more and post it forever.

21190

2 + 1 + 1 + 9 + 0 = 13


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1631 2012-12-16 10:23:45

mathaholic
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Re: Add 13 more and post it forever.

21203


246 pages on Prime Numbers Wiki (+1)
 

#1632 2012-12-16 11:08:40

anonimnystefy
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Re: Add 13 more and post it forever.

21216

(2+1)*2+6+1==13


The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
 

#1633 2012-12-16 11:19:16

mathaholic
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Re: Add 13 more and post it forever.

21229


246 pages on Prime Numbers Wiki (+1)
 

#1634 2012-12-16 12:08:43

bobbym
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Re: Add 13 more and post it forever.

21242

21 - 2 - 4 - 2 = 13


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1635 2012-12-16 15:19:48

mathaholic
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Re: Add 13 more and post it forever.

21255


246 pages on Prime Numbers Wiki (+1)
 

#1636 2012-12-16 17:01:36

bobbym
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Re: Add 13 more and post it forever.

21268

21 - (-26) + 8 = 13


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1637 2012-12-16 17:28:19

mathaholic
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Re: Add 13 more and post it forever.

21281


246 pages on Prime Numbers Wiki (+1)
 

#1638 2012-12-16 17:46:14

bobbym
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Re: Add 13 more and post it forever.

21294


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1639 2012-12-17 09:43:33

John E. Franklin
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Re: Add 13 more and post it forever.

21307
  check it by division.  21/13=1R8 83/13=6R5 50/13=3R11 117/13=9, so 21307/13=1639 and post #1639.


igloo myrtilles fourmis
 

#1640 2012-12-17 09:46:49

bobbym
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Re: Add 13 more and post it forever.

21320


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1641 2012-12-18 20:16:08

mathaholic
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Re: Add 13 more and post it forever.

21333


246 pages on Prime Numbers Wiki (+1)
 

#1642 2012-12-18 20:25:43

bobbym
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Re: Add 13 more and post it forever.

21346

2 + 13 + ( 4 - 6 ) = 13


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1643 2012-12-21 11:26:07

mathaholic
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Re: Add 13 more and post it forever.

21359


246 pages on Prime Numbers Wiki (+1)
 

#1644 2012-12-21 12:29:53

phrontister
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Re: Add 13 more and post it forever.

21372


"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson
 

#1645 2012-12-21 13:30:35

bobbym
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Re: Add 13 more and post it forever.

21385

2+1-3+8+5 = 13


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1646 2012-12-21 14:31:54

phrontister
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Re: Add 13 more and post it forever.

21398


"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson
 

#1647 2012-12-21 16:45:30

bobbym
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Re: Add 13 more and post it forever.

21411


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1648 2012-12-22 10:27:31

mathaholic
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Re: Add 13 more and post it forever.

21424


246 pages on Prime Numbers Wiki (+1)
 

#1649 2012-12-22 16:11:52

bobbym
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Re: Add 13 more and post it forever.

21437

21 - 4 + 3 - 7 = 13


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#1650 2012-12-24 10:46:32

mathaholic
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Re: Add 13 more and post it forever.

21450


246 pages on Prime Numbers Wiki (+1)
 

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