4. Sınıf Matematik 1 Ünite Doğal Sayılar Soru Çözümü 1

https://youtu.be/oFoytdtejoY

https://youtu.be/_CWyZupj9xY

https://youtu.be/xmea5dOWB4o

https://www.youtube.com/watch?v=okOnfhzZC10&list=PL3oxhzRdQr1kr6jcAWJcT8yQrum_wGYkw&index=3

https://youtu.be/qqXhMJKn31M

https://youtu.be/jIm4mOpj1fg