TEST DE REDOX
3:25 | Author: Noelia
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3 comentarios:

On 20 de abril de 2013, 5:59 , Yomar Pillaca Guillen dijo...

me gusta, exelente!

 
On 8 de septiembre de 2013, 18:31 , Osmar Castro dijo...

https://groups.google.com/d/forum/mis-publicaciones-y-asesorias-de-quimica

 
On 22 de noviembre de 2016, 5:37 , luis villarreal dijo...

Exelente trabajo!