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## #1 2012-11-29 19:00:36

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Can U solve this?

Make 100 using the numbers 400, 200, 50 and 2.
Use the operations + - * / 2 (square) 3 (cube).

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## #2 2012-11-29 19:09:47

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 106,362

### Re: Can U solve this?

Hi;

Welcome to the forum.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.

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## #3 2012-11-30 02:45:22

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,018

### Re: Can U solve this?

400-200-2*50=100

Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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## #4 2012-11-30 13:12:26

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

Bobbym and anonimnystefy, you are both correct!
Now, second equation using PEMDAS:
Make 75 using the numbers 5 5 3.
Use the operations + - * / 2 3.

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## #5 2012-11-30 20:15:32

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 106,362

### Re: Can U solve this?

5 * 5 * 3 = 75

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.

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## #6 2012-11-30 22:22:51

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

Correct, bobbym! Anymore solutions?
:

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## #7 2012-11-30 22:41:03

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 106,362

### Re: Can U solve this?

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.

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## #8 2012-11-30 23:32:49

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,018

### Re: Can U solve this?

(5^2)^2/5^2 *3=75

Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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## #9 2012-12-01 00:29:22

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

Great!
Numbers 1 2 3
Operations + - x / 2 3

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## #10 2012-12-01 00:36:51

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 106,362

### Re: Can U solve this?

(2^3) + ( 3 -1 ) = 10

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.

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## #11 2012-12-01 12:53:56

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

Wow, bobbym! Anymore solutions?

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## #12 2012-12-01 13:18:12

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,018

### Re: Can U solve this?

3^2+2-1

Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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## #13 2012-12-01 13:19:25

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

Okay!

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## #14 2012-12-17 23:15:55

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

New:
Numbers 100 100 1
Operations + - x / 2 3

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## #15 2012-12-17 23:48:22

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 106,362

### Re: Can U solve this?

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.

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## #16 2012-12-18 23:26:04

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

:

Last edited by julianthemath (2012-12-18 23:26:44)

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## #17 2012-12-21 20:40:13

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

Okay.
Tricky!
Numbers 5 4 3 2 1
Operations 2 3 !

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## #18 2012-12-21 20:56:51

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 106,362

### Re: Can U solve this?

Hi;

(3+2)!

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.

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## #19 2012-12-21 23:11:54

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

Yurp.
Could

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## #20 2012-12-21 23:13:53

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 106,362

### Re: Can U solve this?

Could also be ( 1 + 4 )! or (( 5 + 4  +1 ) / 2)!

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.

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## #21 2012-12-21 23:20:50

phrontister
Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,452

### Re: Can U solve this?

And could also be 1! x 2 x 3 x 4 x 5

"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

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## #22 2012-12-21 23:28:22

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 106,362

### Re: Can U solve this?

Hi julianthemath;

I missed that you only wanted the operations of factorial and 2 and 3.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
No great discovery was ever made without a bold guess.

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## #23 2012-12-24 13:58:58

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

Okay!
Numbers 8 7 6 5 4 3 2 1
Operations 2 3 !

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

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## #24 2012-12-24 15:16:11

muxdemux
Member
Registered: 2012-12-23
Posts: 80

### Re: Can U solve this?

How do you do one of those spoiler tags?

Anyway, am I playing this game right?

(8!/7!)*(7!/6!)*(6!/5!)*(5!/4!)*(4!/3!)*(3!/2!)*(2!/1!)

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## #25 2012-12-24 17:23:54

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,247

### Re: Can U solve this?

Muxdemux, belated welcome to the forum.
Are you sure that is right? I will post a new one soon.

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