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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21476

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21502

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21528

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21554

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21580

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21606

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21632

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21658

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21684

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

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

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

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

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

### Re: Add 13 more and post it forever.

21762

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

Offline

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 103,752

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

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