- math
- Adunare,scădere,înmulțire, împărțire
- Age 8-10
-
level: grade4
- Romanian
คำแนะนำของผู้เขียน
exerciții de calcul, aflarea necunoscutei, probleme
Cele 4 operații
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คำแนะนำของผู้เขียน
exerciții de calcul, aflarea necunoscutei, probleme
