อยากได้แบบฝึกหัดฟรีนับพัน (ไม่มีสิ่งรบกวนเลย)?
Created by
Nadia_Cazacioc
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chimia
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Formula chimică. valență
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Age 12-14
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level: clasa 7
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Romanian
คำแนะนำของผู้เขียน
Alcătuirea formulei în baza valenței
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Created by
Nadia_Cazacioc
-
chimia
-
Formula chimică. valență
-
Age 12-14
-
level: clasa 7
-
Romanian
คำแนะนำของผู้เขียน
Alcătuirea formulei în baza valenței