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Bibliographical Data
Title:  Inner Algebra 
Author:  Aaron Maxwell 
Subjects:  Mathematics 
Key words:  Algebra 
Education Level:  
License:  All Rights Reserved  Standard Copyright 
Description:  Here’s a fun onlineonly book that will help you do algebra in your head. Useful for any math or science student.
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URL:  http://hilomath.com/inneralgebra/index.php 
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