Hoá sinh CN

Hoá học stem-11a2-tinh dầu

[video width="1280" height="720" mp4="https://thptso2tuyphuoc.edu.vn/wp-content/uploads/2024/03/hoa-hong-n2.mp4"][/video]

BTH- stem hoá học

[video width="834" height="480" mp4="https://thptso2tuyphuoc.edu.vn/wp-content/uploads/2024/03/BANG-TUAN-HOAN-STEM.mp4"][/video]