4. Sınıf Matematik – Doğal Sayılar Dene Bakalım 1

https://youtu.be/zI63IJDQV6o

https://www.youtube.com/watch?v=AB4muDvR39c

https://youtu.be/qqXhMJKn31M

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

https://youtu.be/JMwtWAkRV4I

https://youtu.be/6gbx9BhUmFA