4.sınıf Matematik – Üçgen Kare Dikdörtgen

https://www.youtube.com/watch?v=aa3xYTJ0lbY&list=PL3oxhzRdQr1kr6jcAWJcT8yQrum_wGYkw&index=9

https://youtu.be/259mlWsQx1M

https://youtu.be/I5RbWWZMNyM

https://youtu.be/2QfygEFlt1w

https://youtu.be/pNrajXvjZ_Y

https://www.youtube.com/watch?v=bcjli6KMxVM