+0  
 
0
526
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0.7x - <5.5

 Dec 11, 2014

Best Answer 

 #1
avatar+118725 
+5

What is the minus sign there for?

 Dec 13, 2014
 #1
avatar+118725 
+5
Best Answer

What is the minus sign there for?

Melody Dec 13, 2014

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