【慶應高校】7の累乗の余りはどうなる?100で割る驚きの解法✨小学生~高校生も楽しめる解説!【高校入試数学 解説】

#KeioHighSchool #HighSchoolEntranceExam #EntranceMath #PowersOf7 #Congruence #CalculationTechniques #BrainTraining #ExplanatoryLesson #PastQuestions 📌 Breaking News Commentary on Past Questions from Keio High School! In this video, we'll tackle a problem on calculating powers of 7 based on past entrance exam questions. A detailed explanation of how using congruence expressions to find the remainder after dividing by 100 can dramatically make calculations easier. Master practical "calculation techniques" that also utilize basic knowledge of multiples, divisors, and remainders! This solution has a brain-training feel that can be enjoyed by elementary school students to high school students, and is perfect for preparing for entrance exam math. ✨ What you will learn in this video ✔ Specific steps to find the remainder of a power of 7 using a congruence formula ✔ Tips for simplifying calculations of remainders when dividing by 100 ✔ Calculation techniques that apply basic knowledge of multiples, divisors, and remainders ✔ Fun-filled solutions that can be tackled by elementary school students to high school students 📚 Conquer the entrance exam questions for Keio High School! This technique can also be applied to the entrance exam questions of other difficult high schools. This is a must-see explanatory lesson to solidify the foundations of entrance exam mathematics and improve your calculation skills. 🔗 Related videos and recommended links [Junior high school entrance exam arithmetic calculation problem explanation series] ▶    • 灘中入試問題 2005年度1日目|素因数分解で分数の計算問題   [Junior high school entrance exam integer properties practice problems] ▶    • 【魔方陣の攻略法】真ん中の数の見つけ方!公務員試験&中学受験の数的処理対策|算数過去...   [Kaisei junior high school entrance exam questions and past question explanation series] ▶    • 【開成中学の算数】単位分数の和と整数問題を徹底解説!2010年度過去問に挑戦|中学受験算数   [Nada junior high school entrance exam questions and past question explanation series] ▶    • 灘中入試問題 2005年度1日目|素因数分解で分数の計算問題   📢 Request to viewers If you found this video useful, please let us know by "like" or "commenting"! We also welcome requests for "I want you to explain this kind of problem!" 📌 About this channel In this channel, we will teach you how to steadily improve the skills necessary for exams while having fun learning arithmetic and mathematics. We fully support everyone who wants to "train their thinking skills" and "overcome their weaknesses"! 📩 Job requests and inquiries For interviews and job inquiries, please contact: 📧 [email protected] #Junior high school entrance exam #Exam arithmetic #Mathematics

[Breaking News] Japan Junior Mathematical Olympiad! Explanation of integer problem [Greatest comm...
▶︎

[Breaking News] Japan Junior Mathematical Olympiad! Explanation of integer problem [Greatest comm...

[Osaka Public University 2022 Entrance Exam] The fourth power of the sum of each digit = the orig...
▶︎

[Osaka Public University 2022 Entrance Exam] The fourth power of the sum of each digit = the orig...

【中学受験2025年度速報】九九81個の合計とガウスの足し算を徹底解説!計算の工夫で差がつく脳トレ問題|受験算数解説授業
▶︎

【中学受験2025年度速報】九九81個の合計とガウスの足し算を徹底解説!計算の工夫で差がつく脳トレ問題|受験算数解説授業

平方根はこれ1本で完璧!裏技から高校入試問題まで13分で総まとめ
▶︎

平方根はこれ1本で完璧!裏技から高校入試問題まで13分で総まとめ

[Keio High School] A thorough explanation of tricks for solving difficult prime factorization | L...
▶︎

[Keio High School] A thorough explanation of tricks for solving difficult prime factorization | L...

実は楽勝過ぎる!?○○を知っていれば一瞬で解ける1題!【中学受験算数】
▶︎

実は楽勝過ぎる!?○○を知っていれば一瞬で解ける1題!【中学受験算数】

【瞬殺!?】京大の整数の問題を解説してみた
▶︎

【瞬殺!?】京大の整数の問題を解説してみた

[Good brain training questions] A complete explanation of Keio High School's simultaneous equatio...
▶︎

[Good brain training questions] A complete explanation of Keio High School's simultaneous equatio...

[Saitama Sakae Junior High School 2025 Report] An interesting solution to congruence equations an...
▶︎

[Saitama Sakae Junior High School 2025 Report] An interesting solution to congruence equations an...

【早稲田中学入試】約分しなさい!4つの解法&面白い数字の性質を大公開|素因数分解・逆数変形・ユークリッド互除法・正則連分数展開|受験算数脳トレ解説
▶︎

【早稲田中学入試】約分しなさい!4つの解法&面白い数字の性質を大公開|素因数分解・逆数変形・ユークリッド互除法・正則連分数展開|受験算数脳トレ解説

[Excellent Entrance Exam Question] Tests your sense of exponents [Keio University, 2024]
▶︎

[Excellent Entrance Exam Question] Tests your sense of exponents [Keio University, 2024]

[Waseda University] Master the congruence calculation thoroughly! Explanation of similar problems...
▶︎

[Waseda University] Master the congruence calculation thoroughly! Explanation of similar problems...

[Nada High School Entrance Exam] A thorough explanation of the technique for finding the integer ...
▶︎

[Nada High School Entrance Exam] A thorough explanation of the technique for finding the integer ...

[Todaiji Gakuen High School] Generalizing the sum of Egyptian fractions using letters! A brain tr...
▶︎

[Todaiji Gakuen High School] Generalizing the sum of Egyptian fractions using letters! A brain tr...

日本で一番ゆるい医学部!?慶應義塾大学医学部キャンパス調査!【wakatte TV】#793
▶︎

日本で一番ゆるい医学部!?慶應義塾大学医学部キャンパス調査!【wakatte TV】#793

[Nada Junior High School Mathematics] Complete explanation of prime factorization and integer pro...
▶︎

[Nada Junior High School Mathematics] Complete explanation of prime factorization and integer pro...

実は簡単に解ける!?○○に気づくかな?【中学受験算数】
▶︎

実は簡単に解ける!?○○に気づくかな?【中学受験算数】

Even elementary school students can solve this problem using ○○!? The cosine theorem cannot be us...
▶︎

Even elementary school students can solve this problem using ○○!? The cosine theorem cannot be us...

【小学生が簡単に解くパズル】驚くほど図形問題が解けるようになる授業【中学受験の算数】
▶︎

【小学生が簡単に解くパズル】驚くほど図形問題が解けるようになる授業【中学受験の算数】

[Calculation problems that became a hot topic online] Calculations can be surprisingly easy with ...
▶︎

[Calculation problems that became a hot topic online] Calculations can be surprisingly easy with ...