OREKA KIMIKOA / EQUILIBRIO QUÍMICO
Oreka kimikoa: https://www.youtube.com/watch?v=Sd1hx2kl8L0
1. partea: https://www.youtube.com/watch?v=vzj36Eb1tTU&feature=related
2. partea: https://www.youtube.com/watch?v=BteQSSM8zoc&feature=related
1. partea: https://www.youtube.com/watch?v=vzj36Eb1tTU&feature=related
2. partea: https://www.youtube.com/watch?v=BteQSSM8zoc&feature=related
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