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is it possible to have four 10s to equal 10? using the same rules as the four 4's

 Sep 8, 2019
 #1
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I don't know if this arrangement would be allowed, but just off the top of my head: 

 

 10 – 10    +   10   =  10

     10

.

 Sep 8, 2019
 #2
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0

 

How about this one:

 

sqrt (10 x 10 x 10 / 10)   

 

.

 Sep 9, 2019

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