京大数学2026を完全解説！

Any supplementary information or corrections will be added to the pinned comments. Mental arithmetic challenge video →    • 京大数学2026は暗算で１時間で何点取れるのか？   ・X → https://x.com/hayato_oniku?s=21&t=A7k... ・"Self-introduction" →    • 東大暗算って、いったい何者？人生の学力グラフと自己紹介！   ・"The Best Study Method" →    • 【学生必見】授業だけで偏差値70を狙える『最強の勉強法』をお教えします。   [Membership] ・For a monthly fee of ¥140, you'll get exclusive access to exclusive videos and the opportunity to join the Discord community (where you can ask questions and discuss with me and other members, and hold study sessions over the phone). ・Register here →    / @hayato-highschool   Please note that a processing fee applies when using the iPhone app. We recommend registering via a browser. ・After registering, please send a DM to X. You will be invited to join the Discord server. [This channel's most challenging course, "Essence" series]    • 微積で学ぶ物理（難関講座）      • 詳細に学ぶ化学（難関講座）      • 数学の典型化（難関講座）   [For those unsure about the prerequisite math knowledge required for this course] "Complete Explanation of High School Mathematics" course (playlist) is here    • 数学全解説（初めに見るべき講座）   [Table of Contents] 00:00 General Commentary 01:28 Question 1 08:41 Question 2 13:32 Question 3 21:07 Question 4 28:24 Question 5 38:11 Question 6