Exercise on lesson 4 page from(72_75)

Playlist منهج الساينس

التليجرام
https://t.me/kgbooklets

https://t.me/gradeonebooklet

https://t.me/gradetwobooklet

https://t.me/gradethreebooklet

https://t.me/gradefourbooklet

https://t.me/gradefivebooklet

https://t.me/gradesixbooklet