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Actually, I might be doing it, math Ⅰ A terrible mistake

Even if I studied for 8 hours every day, I could only solve 40-50% of the mock exams. How did I become able to solve 80%?

→ @ math.hide

◻ ︎ I can't solve applied problems by myself

◻ � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �

◻ ︎ I want to give a grade for the designated school

◻ ︎ You can test. You can't do it if it's a mock exam

We are sending out to such high school students!

👦🏻 is such a person 🧒🏻

◾ ︎ Ranked 1st in regular exams 🥇

◾ ︎ 4.8/5

◾ ︎ Mathematical practice exam deviation value 45 🌸💫

◾ ︎ E-judged university, active pass

 

I want to know more! I want to raise my score too! If you think, please 👍 and follow 💖 me 😊

# math

Studying Mathematics

# examinee

Studying for exams

# college _ exam

@理系大学生が教える数学|ひで

2024/11/23 Edited to

... Read more模試で「解けたはずなのに点がない…」が続いた時期、原因は実力不足より“ミスの型”でした。数学IA(数A含む)で特に多い「やばいミス」を、私が効果を感じた潰し方とセットでまとめます。 ①符号・足し引きの取り違え(たす/ひく) 途中式で−が増えた瞬間に崩れます。私は「=を書くたびに符号だけ1秒見る」を徹底しました。おすすめは、マイナスが絡む行だけ○で囲むこと。視線が戻りやすく、見直しで拾えます。 ②分数の処理&約分ミス(分母が0も含む) 分数は“計算”より“条件”が落とし穴。特に「分母が0にならない」確認を忘れると一発アウトです。私は分数が出たら、式の横に小さく「分母≠0」をメモしてから進めるようにしました。見直しは、最後に通分・約分の前後を逆向きに辿るとミスが見つかりやすいです。 ③最大値・最小値/場合分けの見落とし 「最大値,最小値」や領域Dが出る問題は、答えを出す前に“候補を出し切れたか”が勝負。私は線形計画問題なら ・頂点を全部列挙 ・境界線上(必要なら) ・条件を満たす領域Dの図を必ず描く の3点チェックに固定しました。 ケアレスミスを減らすコツ(私のやり方) ・見直しは最初から読まない:ミスが多い場所(符号/分数/条件)だけを狙い撃ち ・計算は“まとめすぎない”:途中で10乗や20の階乗みたいに桁が大きくなる場面は、式変形を1行ずつ短く ・模試用のルールを作る:「分母チェック」「条件のメモ」「最大最小は候補列挙」をルーティン化 もし「テストはできるのに模試だとポロボロ」なら、まずは今日の演習でこの3つを“今すぐ確認”してみてください。点の伸びが一番早いのは、実はここでした。

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