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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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#1651 2012-12-23 18:25:56

bobbym
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From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21463

13 = 2 + 14 - 6 + 3


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

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#1652 2012-12-23 23:50:12

mathaholic
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From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21476


It's summer.

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#1653 2012-12-23 23:54:52

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21489


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

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#1654 2012-12-24 13:53:34

mathaholic
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From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21502


It's summer.

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#1655 2012-12-24 21:11:25

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21515

2 + 15 + 1 - 5 = 13


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

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#1656 2012-12-24 21:12:47

mathaholic
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From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21528


It's summer.

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#1657 2012-12-24 21:21:31

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21541

21 - 5 - 4 + 1 = 13


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

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#1658 2012-12-24 22:15:36

mathaholic
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From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21554


It's summer.

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#1659 2012-12-24 22:17:48

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21567

21 + 5 - 6 - 7 = 13


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

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#1660 2012-12-25 12:09:05

mathaholic
Member
From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21580


It's summer.

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#1661 2012-12-25 20:44:16

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21593

2 x 1 x 5 + ( 9 / 3 ) = 13


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

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#1662 2012-12-25 20:58:19

mathaholic
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From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21606


It's summer.

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#1663 2012-12-25 21:00:16

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21619 = 63^2 + 73^2 + 111^2


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

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#1664 2012-12-25 21:04:12

mathaholic
Member
From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21632


It's summer.

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#1665 2012-12-25 21:10:45

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21645

13 = 2 * 1 * 6 - 4 + 5


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

Offline

#1666 2012-12-25 22:37:35

mathaholic
Member
From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21658


It's summer.

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#1667 2012-12-25 22:39:27

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21671

13=2-1+6+7-1


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

Offline

#1668 2012-12-26 11:47:27

mathaholic
Member
From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21684


It's summer.

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#1669 2012-12-26 19:53:31

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21697

13 = 2+1-6+9+7


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

Offline

#1670 2012-12-27 12:39:12

mathaholic
Member
From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21710
21-7=14
14-1=13
13+0=13


It's summer.

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#1671 2012-12-27 12:40:15

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21723

13 = 2 + 17 - 2 x 3


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

Offline

#1672 2012-12-27 12:44:57

mathaholic
Member
From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21736
2+1=3
3+7=10
10-3=7
7+6=13


It's summer.

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#1673 2012-12-28 07:22:33

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.

21749

13 = 2 - 1 + 7 - 4 + 9


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

Offline

#1674 2012-12-28 11:44:00

mathaholic
Member
From: idk
Registered: 2012-11-29
Posts: 2,919
Website

Re: Add 13 more and post it forever.

21762


It's summer.

Offline

#1675 2012-12-28 11:47:33

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 94,906

Re: Add 13 more and post it forever.


In mathematics, you don't understand things. You just get used to them.

If it ain't broke, fix it until it is.

Offline

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