3. Sınıf Matematik – Toplamada verilmeyen sayıyı nasıl buluruz?

https://youtu.be/R4CUEtPtDEg

https://youtu.be/2bEqmK1egNA

3. SINIF MATEMATİK VERİLMEYEN TOPLANANI BULMAK https://youtu.be/J1H4XzXACGQ

https://youtu.be/_4FWZ0YamxA

https://www.youtube.com/watch?v=Ftqwe5Zq3Rk

https://www.youtube.com/watch?v=L619z91Tq6I&list=PLo6wDc6p7CcGJFDfH1N14ao30XxX5ERR0&index=19