4. Sınıf Matematik – 5, 25 ve 50 ile Kısayoldan Çarpma İşlemi

https://www.youtube.com/watch?v=UcQwq_2z2K0&list=PL3oxhzRdQr1kr6jcAWJcT8yQrum_wGYkw&index=12

https://youtu.be/yLhsZMhl7Us

https://youtu.be/Z-V96vSa2A8

https://www.youtube.com/watch?v=lT8hkBS0L8k

https://youtu.be/iw0oEM2e64o

https://www.youtube.com/watch?v=S4mxP4AwTKs