+0  
 
+1
46
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avatar+253 

Compute the expression below given that each number has 100 digits:

 Sep 27, 2020
edited by ss333  Sep 27, 2020
 #1
avatar+111144 
+1

Hint:

Let X=888.....884      (100 digits)

 

(X-1)(X+1)  -  (X-3)(X+3)

 

You can finish it.

 Sep 27, 2020

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