3. Sınıf Matematik Saatlerde Toplama – Çıkarma / Zaman Problemleri

https://youtu.be/pNrajXvjZ_Y

https://youtu.be/CQfDRDd7fgE

https://youtu.be/fHDPhPeawCg

https://www.youtube.com/watch?v=Xgpied_IFgo&list=PLo6wDc6p7CcGJFDfH1N14ao30XxX5ERR0&index=7

https://youtu.be/m0D9nGDrSkw

https://www.youtube.com/watch?v=LgZF10nIrr8&list=UUoWV0DS2JAYrM3wov5BvcvA&index=19