Bài giảng môn Sinh lớp 6-7-8-9

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Lớp 6:

https://drive.google.com/file/d/1nhJaNCCdO8knPsFdzMDXhE-p0MeJNHhW/view?usp=sharing

Lớp 7:

https://drive.google.com/file/d/1nw-6xr6qPRakfwgTXK56Jl9XVXpLQuBX/view?usp=sharing

Lớp 8:https://drive.google.com/file/d/13fwCCO5PLScaifkHzYIlRc6syS-29ict/view?usp=sharing

Lớp 9: https://drive.google.com/file/d/1G1ZDP8tuk_NP3xqAZc6WsVwH07alZsYn/view?usp=sharing