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