超わかる！授業動画

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媒介変数表示【高校数学】式と曲線＃１５

媒介変数表示（パラメータ）のポイントは！・P ( x , y ) はどんな図形を描くか聞かれたら、目的は x と y だけの式を作ることだから、式を連立して邪魔な文字を消去する！・逆を確認する！ ...

2020-07-08 18:00:32 有 28,714 人看過有 519 人說讚

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分子量・式量【高校化学】物質量＃３

分子量・式量のポイントは！「原子量」を使うことで、・「分子の原子量」を表す「分子量」や・「組成式の原子量」を表す「式量」などの、色んな物質の値を表すことができる！分子量・式量は化学の計算を...

2020-07-06 18:00:01 有 25,575 人看過有 308 人說讚

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中学生でもわかる、大学でやるべきこと。【塗りつぶせ】

大学に入る前にこれだけはやっておけ！というものはありますか？学生時代にあれをしとけばよかった！と思うことはありますか？そんな質問を良くいただきます。今回は、受験勉強のやる気を上げるために役立つ...

2020-07-04 06:00:13 有 6,672 人看過有 142 人說讚

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【理科大】陰関数の微分法【高校数学】微分法＃１２

陰関数の微分法のポイントは！ ✅関数を n 回微分したものを第 n 次導関数という。 ✅x で微分するときは、d/dx という記号を使う。 ✅y の式を x で微分する方法 ❶y の式を y で微分す...

2020-07-01 18:00:05 有 14,623 人看過有 155 人說讚

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なぜ勉強のモチベーションは保てないのか？やる気が起きない人でも今すぐできる魔法の対処方法【塗りつぶせ】

勉強のモチベーションが保てない決定的な理由と、やる気がなくなってしまったときに誰でも今すぐ実行できる超即効性のある対処法を約４分で紹介します！ 📰みんな悩んでいる「やる気が起きない」📰 教育機関の...

2020-06-27 08:00:03 有 11,917 人看過有 350 人說讚

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【勉強LIVE】2020/6/27 7:30～8:30

...

2020-06-27 07:41:25 有 3,597 人看過有 47 人說讚

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陰関数の微分法【高校数学】微分法＃１１

2020-06-25 18:00:02 有 31,706 人看過有 611 人說讚

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原子量【高校化学】物質量＃２

原子量のポイントは！・同じ元素でも、質量数が違うものがある。・そこで原子量という、相対質量の平均値をとった値を元素の代表値としてあげる！原子量はこれからの化学で使っていくから考え方（平均を取る...

2020-06-22 18:00:01 有 32,679 人看過有 361 人說讚

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オンライン授業はフェアじゃない！【塗りつぶせ】

「オンライン授業がうちの学校はないからフェアじゃない。」オンライン授業が実施されない学校に通っている視聴者さんは、同じ気持ちを抱いているかもしれなません。学校や入試に関するニュースは、ほぼ毎日「休...

2020-06-19 19:00:04 有 4,827 人看過有 97 人說讚

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ロピタルの定理（極限の裏技）【高校数学】微分法の応用＃６

ロピタルの定理（極限の裏技）のポイントは！ ✅0/0,∞/∞の不定形の極限は，分母と分子を微分してから極限に飛ばせる！ただし、「微分した極限が存在する」ときにしか使えないから注意！（あくまで、検算...

2020-06-15 18:00:21 有 24,962 人看過有 476 人說讚