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Where can I find the video of junior high school chemistry lecture? Thank you and I appreciate it.
Junior high school chemistry collection Baidu network disk download

Links:/s/1znmi8mjtas01m1m03zrfq

? Pwd= 1234 extraction code: 1234 Introduction: Download high-quality junior high school chemistry materials, which are suitable for teachers' teaching, students' daily counseling, the sprint of the senior high school entrance examination, and skills improvement at all stages.