超わかる！授業動画

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【先着８名】24時間サポート付きskype数学個別指導

⚠️メールは24時間以内に確実に返します。毎年必ず、メールの送受信に関するミスでお申し込みをお受けできない方がいらっしゃいます。24時間経っても、私からの返信の確認が取れない場合は以下をお確かめいただ...

2021-02-12 18:00:14 有 6,425 人看過有 0 人說讚

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【証明】90°＋θの三角比【高校数学】公式の証明＃７

90°＋θの三角比を証明します。 ✅「90°±θの公式」の授業動画授業動画▶https://youtu.be/QeDl0zlsVK4 同志社大（過去問解説）▶https://youtu.be/0R...

2021-02-08 18:00:01 有 5,331 人看過有 248 人說讚

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対頂角,同位角,錯角【中学数学】平面図形＃３

対頂角,同位角,錯角のポイントは！ ✅バッテンの向かい合った角を対頂角といって、対頂角は等しい ✅ある角と、エレベータで移動した角のような位置にある角を同位角という ✅ある角と、Zの形に移動した角のよ...

2021-02-05 18:00:06 有 3,852 人看過有 139 人說讚

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【証明】180°－θの三角比【高校数学】公式の証明＃６

180°－θの三角比を証明します。 ✅「180°－θの公式（角の拡張）」の授業動画授業動画▶https://youtu.be/BQFJYyREEc4 演習動画▶https://youtu.be/s...

2021-02-01 18:00:11 有 9,839 人看過有 358 人說讚

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"強靭なメンタル"の入手法。【塗りつぶせ】

「本田さんは、なぜメンタルそんなに強いんですか？」と、よく聞かれます。今回は、実際に具体的なメンタルサポートも行っている私が、いつから、どのような経緯で『強靭なメンタル』を手に入れたのかお話しします。...

2021-01-30 08:00:01 有 6,027 人看過有 150 人說讚

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【裏技】おうぎ形の面積を一瞬で求める！弧の長さを利用した裏技公式【中学数学】平面図形＃２

【裏技】（扇形）おうぎ形の面積を一瞬で求める！弧の長さを利用した裏技公式を紹介！おうぎ形の面積とおうぎ形の弧の長さの公式を比較して、面積の裏技公式を導きます。弧の長さと半径が分かったときの面積は、この...

2021-01-27 18:00:29 有 16,999 人看過有 503 人說讚

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互いに素であることの証明│九州大【高校数学】整数の性質＃１１

【九州大】互いに素であることの証明のポイントは！・直接示すのが困難な証明は背理法を利用・a^2 が素数 k の倍数ならば、a は素数 k の倍数【背理法】 https://youtu.be/s...

2021-01-25 18:00:16 有 10,977 人看過有 251 人說讚

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一生懸命はカッコイイ。【塗りつぶせ】

頑張っても結果が出なかったり、周りと比べて苦しんでいる君へ届けたいメッセージ。ぜひ感想のコメント・気に入ってくれたら高評価よろしくね🤗✨ 🎁高評価は最高のギフト🎁 私にとって一番大切なことは再生回数...

2021-01-23 08:00:03 有 7,426 人看過有 187 人說讚

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おうぎ形の弧の長さと面積【中学数学】平面図形＃１

（扇形）おうぎ形の弧の長さと面積のポイントは！ ✅円のピザをカットした形のことを「（扇形）おうぎ形」いう ✅円周をカットした丸まっている部分を「弧」という ✅円のピザをカットした中心の角度を「中心角」...

2021-01-20 18:00:11 有 8,037 人看過有 205 人說讚

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【証明】90°－θの三角比【高校数学】公式の証明＃５

90°－θの三角比を証明します。 ✅「90°±θの公式」の授業動画授業動画▶https://youtu.be/QeDl0zlsVK4 同志社大（過去問解説）▶https://youtu.be/0R...

2021-01-11 18:00:12 有 13,034 人看過有 617 人說讚