1. [위험물 공통] 미정계수법 [OT, 1~5번 풀이]

This video explains the undetermined coefficient method for completing chemical reaction equations for all certifications, including Dangerous Materials Technician, Industrial Engineer, and Master Technician. Don't just write or memorize the equations by reading them. Instead, practice the undetermined coefficient method as explained in the video. If you have any questions, please leave a comment or visit the cafe below and I'll be happy to answer. I wish you the best of luck! ^^ Naver Cafe: Everything About Dangerous Materials Certification https://cafe.naver.com/dangerousmaterial