4. Sınıf Matematik – Dört ve Beş Basamaklı Doğal Sayılar

https://youtu.be/QHaGo61P2CQ

https://youtu.be/SN1V20LNtuk

https://youtu.be/ZKn5QPIQJTs

https://youtu.be/6IGBEvuHCHQ

https://www.youtube.com/watch?v=hKKSIccKoeg&list=PL3oxhzRdQr1kr6jcAWJcT8yQrum_wGYkw&index=21

https://youtu.be/cpqht_O5TAk