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**kapitanamerika****Member**- Registered: 2017-04-23
- Posts: 1

Sory for this picture but i dont know how to write it in better way:

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these 3 square are made from 4 sticks each and empty space between them is 1 stick lenght

Make 1 square from 3 squares by removing 1 stick and moving 3 sticks.

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**bob bundy****Administrator**- Registered: 2010-06-20
- Posts: 8,452

hi kapitanamerika

Welcome to the forum.

I suspect a catch question. You have 12 matches. I notice that you can make the four letters of NINE (a square number) using 11 matches. One snag: I need to move 4 matches not 3.

Someone will come up with a better solution I'm sure.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Sometimes I deliberately make mistakes, just to test you! …………….Bob Bundy

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**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 4,609

Hi;

Three green matches are relocated to form a '4' in front of the red '0', and one green match is removed.

This forms the number 400, which is a square (20 x 20).

Inspired by Bob's idea of nine being a square number.

*Last edited by phrontister (2017-04-25 12:10:38)*

"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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**phrontister****Real Member**- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 4,609

Roman numerals (C/C/I):

ONE:

400:

169,196,961:

9+0:

9-8:

10-9:

81-0:

6^0, 8^0, 9^0, 10^0:

6/6:

8/8:

9/9:

*Last edited by phrontister (2017-04-30 17:48:19)*

"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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