อยากได้แบบฝึกหัดฟรีนับพัน (ไม่มีสิ่งรบกวนเลย)?
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Chimie
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Reacțiile oxigenului cu metale și nemetale
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Age 13-15
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level: gimnaziu
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Romanian
คำแนะนำของผู้เขียน
exerciții lacunare, stabilire de coeficienți
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-
Chimie
-
Reacțiile oxigenului cu metale și nemetale
-
Age 13-15
-
level: gimnaziu
-
Romanian
คำแนะนำของผู้เขียน
exerciții lacunare, stabilire de coeficienți