久留米大（医）４次方程式

Picked video by video from 鈴木貫太郎 (mixed channel): title plainly names a teaching subject. Channel transcript sample: The one sample with a transcript is a genuine structured worked-example math lesson, consistent with the channel's teaching content.

A 5-minute video from 鈴木貫太郎: “久留米大（医）４次方程式”.

Video by 鈴木貫太郎, played through YouTube's embedded player.