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Description
![Polo Guerrero Manríquez [Prf]](https://cdn.goconqr.com/uploads/profile/image/2138229/thumb_52a70c20-4152-4023-9f3c-d27b057255a3.jpg "Polo Guerrero Manríquez [Prf]")
Note by Polo Guerrero Manríquez [Prf], updated more than 1 year ago
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Created by Polo Guerrero Manríquez [Prf]
almost 8 years ago
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Page 1
https://es.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-add-and-subtract/cc-7th-add-and-sub-integers/v/adding-integers-with-different-signs
Page 2
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