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Fill out the Daechi-dong Castle Math Center consultation request form: https://bit.ly/4lyx9kX T. Ko Dae-won's Instagram:   / daechicastle   T. Ko Dae-won's Online Concept Lectures: http://dcastle.co.kr Daechi-dong Castle Advanced Math, Daenaebi Special Lectures: http://daechicastle.kr --------- Global Zoom Class Schedule for Abroad: https://www.notion.so/b8b4d1c2272544f... Purchase Epitome Code Textbooks: https://smartstore.naver.com/ritual A-Level Math Challenge ‘Ssada’: https://www.ssata.co.kr --------- [About Daechi-dong Castle] ㅁ Graduated with a bachelor's degree from KAIST and a master's degree in Education from Seoul National University ㅁ Representative of Daechi-dong Castle Math Center (Elementary, Middle, High School Math / Math Habit) □ Appeared on MBC's 'What's the Money in Studying?' and numerous other TV programs □ Author of 'KAIST Daily Habits' and 'Seoul National University Habit Design: Habit Study in Just 5 Minutes' □ Author of 'The Secret of Math Study in Daechi-dong'