4. Sınıf Matematik – Altı Basamaklı Doğal Sayılar

https://youtu.be/OXdUyU7ejJU

https://youtu.be/owevQLw96M4

https://youtu.be/I0OEfdDgD2g

https://www.youtube.com/watch?v=zz6tvBQGLQg&list=PL3oxhzRdQr1kr6jcAWJcT8yQrum_wGYkw&index=24

https://youtu.be/f_9lJ6yu18o

https://youtu.be/tStUdYY6pQg