【至極の1冊】多くの受験生を救った数学の参考書はどれなのか？？ランキング形式で全て発表します！！【全888票の栄冠は？】

Dengan has published a book on "study methods"! I'm by no means a "genius," so I've written everything I need to know here. If you're interested, please check it out below. ⬇︎"100 Study Rules for Idiots, by a Former Idiot" ⬇︎ https://www.amazon.co.jp/dp/4815612854/ Daily Life with Dengan and Channel Management Cast: Dengan: Twitter   / dengan875   Editor: Dambo: Twitter   / dam_bo_   Hello everyone, this is Dengan. I used to run a channel called Hanao Dengan, but now I'm working alone. I'm posting study-focused projects and math tutorial videos. Thank you for your support. Dengan ⬇︎Daily Dengan and other editorial support⬇︎ ・Yoshi   / yosshi_ediedu   ・Takuya   / takuya_edit   ・Shige #DailyDengan # #