Sum of the 4th power of reciprocals of natural number ➡https: // • 自然数の4乗の逆数の和 オイラー級数(Eul...
"Let's understand Euler's formula with the knowledge of junior high school"
• Euler's formula 中学生の知識...
Is Sumo Battle even? Tokyo University entrance examination ➡https: // • 確率、等比数列 巴戦は平等な優勝決定法か?(...
26 янв 2018