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-(4(-10)+1)

 Oct 28, 2015
 #1
avatar+130547 
+5

-(4(-10)+1)

 

- [ 4 * -10   + 1  ] =

 

- [ -40  + 1 ] =

 

- [ -39 ]=

 

39

 

 

cool cool cool

 Oct 28, 2015

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