インド式計算（掛け算）で計算速度に革命を起こせ！【入門編】

Revolutionize your calculation speed with Indian math! In this video, we'll explain Indian math (2-digit x 2-digit multiplication), which will increase your calculation speed. Try doing it mentally in 1 second (individual results may vary). This channel also provides easy-to-understand explanations of math and English. (Continued below) I'd be very grateful if you subscribed to my channel. m(__)m ↓    / @医学生しばのオンライン学校   Click here for math playlists (we're constantly adding more!) ↓    • 必要条件・十分条件の違いをわかりやすく解説！コツは身近な例で考えること！【中学・高校数学】   #IndianMath #IndianMentalArithmetic #HighSchoolMath #Math