JiroFukuda Math Channel
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静岡県の公立高校の数学教員として長年受験指導をしてきました。藤枝東高校８年、静岡市立高校８年、静岡高校１２年。
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音频 (106)
Graph Theory and Tree Structures: Proving Euler's Polyhedron Theorem
Can you divide consecutive integers from 0 to 61 into 31 pairs, sum each pair, and have the produ...
Keio University 2026 Faculty of Medicine Exam, Question 3 (Part 2) - Increase and Decrease of Fun...
Graph Theory and Tree Structures: Why Are There Exactly Two Junctions When Connecting the Four Ve...
Keio University School of Medicine 2026 Entrance Exam: Question 4 (Part 1) - Function Analysis, A...
How Can We Minimize the Total Length of Line Segments Connecting All Four Vertices of a Square?
The Story of the Optimal Branching Point for a Shortest Network Connecting Three Points
Keio University School of Medicine 2026 Question 3 (Part 2) — Complex Plane and De Moivre's Theorem
Find all n such that n!+3 is a perfect square
tan(x)のn乗の0からπ/4までの積分の極限が0である証明
Keio University School of Medicine 2026 Entrance Exam Problem 3 (Part 1) — Complex Planes and De ...
log(x)のn乗の1からeまでの積分がe/(n+1)以下である証明
Find the last 3 digits of 2^20272027
慶應義塾大学2026医学部第2問〜確率漸化式と期待値・分散
Calculate P_n(1) where P_n(x) is the numerator of the n-th derivative formula
Proof that the last 10 digits of 2^n repeat every 7,812,500 terms for n ≥ 10
Keio University 2026 School of Medicine Problem 1(3) - Minimizing the Area of a Parallelogram in ...
Proof of Euler's Theorem: If a and n are coprime, then a^φ(n) ≡ 1 (mod n)
What is the probability that only one red ball remains after repeatedly drawing two balls from a ...
Keio University School of Medicine 2026 Question 1 (2): Cubic Inequalities and Sets
Solving Functional Equations Involving Definite Integrals
The Value of sin(π/2n+1)sin(2π/2n+1)...sin(nπ/2n+1)
Hamamatsu University School of Medicine 2026 Entrance Exam Problem 2: Correcting an Answer Regard...
Free Access to 2026 Math Past Papers for 14 Top National Universities | Problems, Solutions, and ...
Can You Spot the Trick? Clever Sigma Calculation
無限連分数の8乗根の値を追え！
Hamamatsu University School of Medicine 2026 Entrance Exam Problem 3: Spatial Positional Relation...
Finding the Minimum Value of a Complex Fractional Expression
If a free throw percentage goes from below 80% to over 80%, is it guaranteed to hit exactly 80% a...
Keio University 2026 School of Medicine Problem 1(1) — Probability Density Functions, Expected Va...