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rockx69
New poster

Post Number: 1
Posted on Tuesday, 04 March, 2014 - 01:39 am:   

I would like to know how the card trick <http://nrich.maths.org/2028> was performed with the use of mathematics

I am still nt able to digest this
Theo P
Prolific poster

Post Number: 270
Posted on Tuesday, 04 March, 2014 - 09:13 am:   

Do you understand the instructions of how to perform the trick?

Have you tried performing it yourself (you can play both roles)?

Do you have any ideas of how it might work?
UNK7 (formerly GCS)
Veteran poster

Post Number: 1088
Posted on Wednesday, 05 March, 2014 - 10:46 am:   

Hi rockx69. Welcome to Ask NRICH. I suggest watching the video twice, paying special attention to the card which is eventually discovered. Then do some algebra!

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