- Chimie
- Formule chimice. Substanțe simple și compuse
- Age 13-15
-
level: gimnaziu
- Romanian
คำแนะนำของผู้เขียน
Exercitii de identificare a claselor de substanțe, recunoasterea formulelor chimice
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คำแนะนำของผู้เขียน
Exercitii de identificare a claselor de substanțe, recunoasterea formulelor chimice