3. Sınıf Matematik – Toplamada verilmeyen sayıyı nasıl buluruz?

https://youtu.be/imlpAOgIHDc

https://youtu.be/TTjDkljWOyc

https://www.youtube.com/watch?v=XGvIwQ4_jMA&list=PL9Xy-Y4LnxAbJbflEw7MbtEgYhHSDFRL7

https://youtu.be/1-NeD-v9Cg8

https://youtu.be/wQ3HM-hmymM

https://youtu.be/NcJCcdcmk88