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1a:I[6549,["51","static/chunks/795d4814-03346c8d233b4adb.js","212","static/chunks/212-70508e17017a12c2.js","231","static/chunks/231-5dc9f3acdba63b0c.js","54","static/chunks/54-f848f8ba1c362ca7.js","23","static/chunks/app/advice/%5Bid%5D/page-2c9c2b8245971fa7.js"],"CommentItemName"] 1b:I[3866,["51","static/chunks/795d4814-03346c8d233b4adb.js","212","static/chunks/212-70508e17017a12c2.js","231","static/chunks/231-5dc9f3acdba63b0c.js","54","static/chunks/54-f848f8ba1c362ca7.js","23","static/chunks/app/advice/%5Bid%5D/page-2c9c2b8245971fa7.js"],"AdOnAdviceList1"] 1c:Te31,こんにちは! たしかに三元一次は煩雑になってミスりがちですね笑 自分もベクトルの大きさの計算なんかはかなり苦手でした。 以下、計算ミスを防ぐために(特に共通テストで)気をつけるポイントをお伝えします! ①ベクトルの成分は縦に書く もしかしたら既にやっているかもしれませんが、ベクトルの成分は縦に並べて書きましょう。現行の教科書などは成分が横『(2,4,3)のような形』で書かれていることが多いですが、これだとミスりやすいです。   2 { 4 }   1 のように縦で成分表示すると文字が入って式が複雑になっても見やすいので、成分同士の方程式や内積の計算をするときのミスがかなり減ります。 (OP→)=x(a→) +y(b→) + z(c→) のような場合も、       a (OP→)={ b }       c のように表しちゃうと計算でミスりづらいです! ②大きな余白や白紙のページを利用する 共通テスト本番ではめちゃくちゃ煩雑なベクトルの計算が出ることは正直あまりないです。しかし、東進などの予備校が手掛けている模試や問題集の中には、計算ゲーのような悪問も含まれているのが現状です。ですので正直に言えば、そういった模試などの悪問でケアレスミスをしてしまっても一喜一憂することは無いと思います。 しかし、工夫をするとすればやはり余白の使い方でしょう。「あ、この計算重いわ」と感じたら、無理して小さい余白や暗算に頼らず、どっしりと構えて大きな余白を探しましょう。その分タイムロスに感じるかもしれませんが、いくらわさんのように京大を目指すレベルであれば、タイムロスよりも安易な判断による失点の方が痛いことは明確だと思います。心に余裕を持って頑張ってください! ③後回しにする 共通テストの数学は、ひらめきゲー/誘導ゲーな要素があります。自分のやり方でやったら死ぬほど難しい式がでてきたけど,誘導にうまく乗っかって解き直したらめちゃくちゃ簡単だった、なんてケースがかなり多いです。また、わからないからとりあえず飛ばして最後に戻ってきたら、頭がクリアになって簡単に解けたというケースも多いです。 問題が変に難しいなと感じた時は、割り切ってスキップして、最後に戻ってくるようにしましょう。仮に計算ミスをしていたとしても、後で見直すと間違いに気づきやすいです。共通テストはとにかく時間と勝負なので、沼りはじめたら終わります。とりあえずスキップしてみることは案外大切な心構えですよ! ①〜③までご紹介しましたが、特に大事なのは③です。 これは共通テストの数学では本当に大切な考え方です!一緒に受験勉強していた東大生の友人たちでさえ、計算が煩雑になったり沼ったりすることがありましたし、そういう時はとりあえず飛ばして最後に戻ってくるのがいいと話していました。 ぜひ参考にしてください! また、これから過去問などで形式に慣れていけば、だんだん計算ミスは減ってくると思いますよ〜!頑張ってください!1d:Td5b,数学問題を解いた後の研究について、すごくいい視点ですね。問題に特化した計算テクニックやコツを調べてまとめるのは、効率的に力を伸ばすために大事なことです。でも、その「特化したコツ」をどこまで深掘りすべきか悩むのは自然なことです。以下、私なりの考えをお伝えしますね。 まず、「問題に特化した引き出し」を作ることにはメリットがあります。特定のタイプの問題でスピードや正確さが格段に上がるし、難しい問題でも対応しやすくなります。たとえば、「微分積分の計算テクニック」や「複素数の処理方法」など、よく出るパターンに対してコツを持っていると、試験本番でも安心感が増します。 ただし、一方で「特化しすぎる」ことにはリスクもあります。 ✅ その技術が使える問題が限られる ✅ 似たような問題が出なければ使いどころがない ✅ 学ぶ時間に対して効果が薄い場合がある だから、私が大切にしていたのは「バランス」です。 1. まずは「汎用性」のあるテクニックを優先する 例えば、計算ミスを減らすための基本的なルールや公式の使い方、計算の省略方法などは、多くの問題で役に立ちます。これらはどの問題にも横断的に使えるので、まずここを徹底的に身につけると効率的です。 2. 「特化したコツ」は段階的に学ぶ 問題集や過去問を解く中で、 「あ、この問題のこの計算、すごく時間かかるな」と感じた時に初めて、その部分を深掘りしてみるのがおすすめです。 そうすると、「特化したテクニック」が実際に自分の課題解決に直結するので、学習のモチベーションも高まります。 3. 抽象化できそうなら積極的にやる もし「この計算テクニックは他の問題でも使えそう」と感じたら、抽象化にチャレンジしてみましょう。抽象化は難しいですが、一度できると似た問題を見たときに応用が利きます。 逆に、全く応用できなさそうなら、深追いせずに一旦置いておくのも賢い判断です。 4. 時間と労力のバランスを考える 数学の勉強は時間が限られているので、全てを完璧にするのは不可能です。重要度が自分の中で低いと感じるなら、無理に時間をかけずに他の分野や基礎に力を入れるほうが得策です。 まとめ ・まずは計算ミスを減らし、汎用的に使えるテクニックを身につける。 ・特に時間がかかる問題や頻出問題に関しては、その部分のコツを深掘りする。 ・可能なら抽象化して、応用できる形で引き出しを増やす。 ・重要度が低いと感じるコツは、無理せず後回しにしてもOK。 ・勉強は効率が命なので、自分の目標や今の状況に合わせて「深掘りするべき部分」と「ほどほどにする部分」を見極めるのが大切です。 こうしてメリハリをつけることで、無駄に時間をかけず、着実に力を伸ばせますよ。ぜひ参考にしてみてくださいね!応援しています。1e:Te4b,過去問を中心に実践的な演習を積み重ねているのはとても良いアプローチですね。しかし、「初見の問題で符号ミスや正の向き、使用文字の扱いを間違えてしまう」という悩みは、物理の典型的なつまずきの一つでもあります。ここでは、いくつかの具体的な対策を提案します。 1. 問題文の読み取り精度を高める 物理では「正の向き」や「定義された文字の意味」が問題文に明確に記載されていることが多々あります。解き始める前に、必ず問題文を一字一句確認し、向きや文字が指定されていれば図やメモにしっかり落とし込んでください。焦ると読み飛ばしが起きやすいので、あえて「問題文を再読する」時間を作るのがポイントです。 2. チェックリストの導入 「図に正の向きを必ず書き込む」「使う文字をメモする」などのルールは既に実践しているとのことですが、もう一歩踏み込みましょう。たとえば以下のようなチェックリストを問題ごとに“必ず”確認します。 •  軸や  軸など、座標系や正の向きを図に描いているか • 質点や力の作用点は正しく図示しているか • 使って良い文字・定義された文字を再確認しているか • 途中計算で符号の取り扱いを変えていないか(途中で向きを反転していないか) このチェックリストは自分専用のノートや演習プリントにまとめ、解答後に必ず照らし合わせる習慣をつくると、作業がルーチン化してきます。 3. ミスの原因を「言語化」して記録 初見の問題で符号ミスをしてしまったら、「なぜ符号を間違えたのか」を自分なりに具体的に言葉で残すことが大切です。たとえば「力の向きの想定を逆にしていた」「座標系を途中で混乱させた」「問題文の条件を見落とした」など、原因を明確に書き出し、再発防止策を同時にメモします。後から読み返すと、同じパターンの失点を繰り返さずにすみます。 4. 時間を区切った演習で“再現性”を高める 本番では限られた時間で複数の大問を解く必要があります。そのため、過去問を解く際は「本番同様に時間を決めて解き、最後にチェックの時間を少し設ける」という練習を行いましょう。残り5分程度を「符号や文字の使い方を最終確認する時間」に充て、計算ミスを潰すルーティンを身につけると、試験本番でも落ち着いて確認ができます。 5. 矢印や数式を“目視で”再チェックする 物理の解答では、文字情報だけでなく矢印・ベクトルの向き、式変形の流れも大切です。計算の途中式や図を自分で「読み上げる」「指で追う」などのアナログな方法でチェックすると、思わぬ符号のズレに気づきやすくなります。 これらを踏まえ、ミスが多発している大問だけでなく、一見スムーズに解けた大問でも「符号の扱いが本当に合っているか」を徹底的に振り返ることを心掛けてください。符号ミスの克服は地味な確認作業の積み重ねですが、習慣化すれば必ず安定した得点力に繋がります。どうか最後まで粘り強く取り組んで、本番での120点達成を目指してください。応援しています。1f:Te50,素晴らしい質問ですね。数学の問題文をどう読むか、どう「攻めるか」はとても大事な力です。特に「証明問題」や「求めよ系」は、読み方一つで解けるかどうかが変わってきます。 📘質問のポイントを整理すると: 「(1)とするとき(2)となるような(3)を求めよ、証明せよ」 というような典型的な問いに対して、 (1)〜(3)それぞれの意味をどう読み取り、どう方針を立てるか?という内容ですね。 🎯それぞれの読み取り方と考え方 🔹(1)前提条件(例:a+b=5 とするとき) 👉何が与えられているのか、条件を正確に把握する! これは、問題全体のスタート地点です。 方程式、関係式、範囲、性質など、何が「決まっている」状態なのかをしっかり確認します。 「とするとき」は条件付きであるという意味なので、これを前提として使ってよい情報です。 ★考えるべきこと: この条件からどんな情報が導ける? 式変形、代入、図形の性質…使えそうな道具は? 🔹(2)結果(例:〜が成り立つ) 👉ゴールがどこか、何を証明・導くのかを明確にする! 証明問題なら、「これがゴール!」「この形に持っていきたい!」という目印になります。 つまり、「こうなったら勝ち」という形。 結論部分を 変形・展開 してみると、ゴールに近づく手がかりが見えることもあります。 ★考えるべきこと: この形になるには、どんな操作が必要か? (1)とどうつながるか? 似た問題をやったことがある? 🔹(3)変数・値・式などの対象(例:x の値、図形の面積など) 👉最終的に何を「出す」問題なのかを把握する! 求めるべき対象が明確にされている部分です。 変数が動くのか定数なのか、対象が数字なのか図形なのか…に注目しましょう。 ★考えるべきこと: 与えられた条件から、この対象にどうやってたどりつけるか? 式で表すことができる?定理や性質が使えそう? 🧭方針を立てるための3ステップ 1 与えられた条件を整理する(=問題の“ルール”を正確に読む) ・式に書き直してみる ・図があるなら補助線などをひいてみる 2 結論から逆に考える(=“ゴールにたどり着く道”を探す) ・ゴールを変形して、「今持ってるもの」に近づけてみる 3 似たタイプの問題を思い出す(=“経験をヒントにする”) ・これはパターンかも?と思ったら一度その方法を試してみよう 🌟最後にアドバイス 「方針が思いつかない」ときは、「一度手を動かす」ことが大切です。 式を書いてみる、図を描いてみる、整理してみる…その「準備作業」の中で、「あ、これ使えそう!」という気づきが生まれることが多いです。 📝たとえばこんな風に 「a+b=5 のとき、ab の最大値を求めよ。」 (1)「a+b=5」→ 条件(和が一定) (2)「最大値」→ ゴール(何かを最大化) (3)「ab」→ 求めたい対象(積) 🔍この場合は、「和が一定のとき積が最大になるのは平均的なとき」→ a=b= 5/2 ​ もしくは、「二文字の最大最小」→一文字固定 という発想にたどり着けると◎2:["$","main",null,{"className":"px-4 pt-4 pb-4","children":["$","div",null,{"className":"max-w-3xl mx-auto w-full","children":[["$","div",null,{"className":"mb-8","children":["$","$L7",null,{"href":"https://unilink-app.onelink.me/isbO/h6xeh63x?advice=zvihV3BmnETekKZ6AXBD","target":"_blank","children":["$","$L8",null,{"src":"/images/web_to_app_banner.jpg","width":3660,"height":1500,"sizes":"100vw","style":{"width":"100%","height":"auto"},"alt":"UniLink WebToAppバナー画像","className":"mb-4 rounded"}]}]}],["$","h1",null,{"className":"text-xl font-semibold mb-2","children":"図形問題 解法選択の判断基準を知りたい"}],["$","div",null,{"className":"flex justify-between mb-4","children":[["$","div",null,{"className":"text-left text-xs text-caption","children":["クリップ(",1,") コメント(",4,")"]}],["$","div",null,{"className":"text-right text-xs text-caption","children":"7/22 13:19"}]]}],["$","div",null,{"className":"coach-mark mb-4","children":"UniLink利用者の80%以上は、難関大学を志望する受験生です。これまでのデータから、偏差値の高いユーザーほど毎日UniLinkアプリを起動することが分かっています。"}],["$","div",null,{"className":"mb-4","children":["$","$L13",null,{"clientImageUrl":null,"clientUserName":"しん","infoString":"高卒 兵庫県 早稲田大学創造理工学部(64)志望","adviceId":"zvihV3BmnETekKZ6AXBD"}]}],["$","div",null,{"className":"mb-8","children":[["$","div",null,{"className":"leading-loose whitespace-pre-wrap","children":[["$","div","consultation-part-0",{"children":[null,"図形問題に関してです。\n図形問題を解くとき\n1図形の性質\n2ベクトルをつかう\n3座標にもちこむ。\nという方針があるそうですが、図形問題と特定したときにどのように解法選択をされますか?\n\nまた、それぞれどのようなときに用いるか先生の考え方を教えてほしいです。"]}]]}],["$","div",null,{"className":"pt-4","children":["$","$L14",null,{}]}],null]}],["$","h1",null,{"className":"text-xl font-semibold 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mb-4","children":[["$","div","advice-part-0",{"children":[null,"はじめまして\n私は図形問題を見たとき基本的にまずは、図形の性質で解く方法を最初の1分ほど考えて思いつかなかったらベクトル、複素数を使います!\n\n解答を見ると、図形の性質を使って一瞬で解いているものがあり、真似したいと思うかもしれませんが、ここは思いつくかどうかの問題なので、考えてもあまりいい結果に繋がりません。\nそれよりは、ベクトルで機械的に解いていく方が上手くいくことが多いと思います!\n\n複素数を使うのは、30度45度などの有名角が出てきていたり、回転が使えそうなときに使います!\n\n座標平面に持ち込むのは、基本的に文字や根号が増えて計算ミスなどに繋がりやすいので、オススメしません!\n\n最後に、円周角の定理など円に関する図形の性質は意外と使い所があるので、内接多角形などが出てきた時はちょっと頭の片隅に置いておくと、楽な解法が思いつくことがあるかもしれないです!\n\nつまり問題を読む→図を描きながら図形の性質を少し考える→ベクトル・複素数平面でやってみるがいいと思います!\n基本的に複素数平面で解きやすくなるような図形問題はあまり見たことがないので、ベクトルでやるのが一番いいと思います!"]}]]}],["$","div",null,{"className":"mb-4","children":["$","$L16",null,{"adviserImageUrl":"https://firebasestorage.googleapis.com/v0/b/unilink-48e75.appspot.com/o/images%2Fs_lwddpOvISQfuFggbK0aZIVu8O2r1.jpg?alt=media&token=2303d1e7-10d9-45dc-a77a-124ad955f4c2","adviserName":"かえで","adviserDepartment":"東京大学理学部","adviceId":"zvihV3BmnETekKZ6AXBD","numberOfFan":2,"clipsAvg":1,"adviceRateAvg":5,"profile":"現役で東京大学理科1類に進学しました。\n得意科目は、数学(78/120)と物理(54/60)、英語(96/120)です。\n私自身帰国子女なので、帰国子女としてどのように受験英語を対策するべきかについて助言できます。"}]}],["$","div",null,{"children":["$","$L7",null,{"href":"https://ck.jp.ap.valuecommerce.com/servlet/referral?sid=3364577&pid=884970531&vc_url=http%3A%2F%2Fshingakunet.com%2F%3Fvos%3Dnrmnvccp0000100","rel":"nofollow","target":"_blank","children":["$","$L8",null,{"src":"/images/document_request_banner.jpg","width":3660,"height":1500,"sizes":"100vw","style":{"width":"100%","height":"auto"},"alt":"UniLink 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13:47"}]]}],["$","div",null,{"className":"text-xs whitespace-pre-wrap","children":"ありがとうございます!\n図形の性質で問題を解く場合、間違っていたらすみませんが「三角形をみつけろ」的なことを聞いたことがあります。\n性質で問題を解くときに上記のようなテクニックやコツをいくつかご存知でしょうか?"}]]}]]}],["$","div",null,{"className":"flex py-4","children":[["$","div",null,{"className":"mr-2","children":["$","$L19",null,{"avatarUrl":"https://firebasestorage.googleapis.com/v0/b/unilink-48e75.appspot.com/o/images%2Fs_lwddpOvISQfuFggbK0aZIVu8O2r1.jpg?alt=media&token=2303d1e7-10d9-45dc-a77a-124ad955f4c2","contributorName":"かえで","adviceId":"zvihV3BmnETekKZ6AXBD"}]}],["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"flex justify-between","children":[["$","div",null,{"className":"mb-2","children":["$","$L1a",null,{"contributorName":"かえで","adviceId":"zvihV3BmnETekKZ6AXBD"}]}],["$","div",null,{"className":"text-xs text-caption","children":"7/24 14:55"}]]}],["$","div",null,{"className":"text-xs whitespace-pre-wrap","children":"自分の知っている性質が使える形が問題文の図形の中にないか、探すのが第一歩です。\nあまり定理が使えるように見えなくても補助線を引いたり、違う見方をすると使える場面があったりするので、全体を俯瞰してみるのがいいと思います!\nこの分野はセンスが試される部分なので、あまり考えすぎても良くないかと思います。\n解説を見てそういう見方もあるんだなと頭の片隅に置いておくと、次に似たような形が出てきた時に、役立つことがあると思うのでまずは色々な問題を解いて頭の引き出しを増やすのをオススメします!\n\n個人的に受験期に見たことがある図形の性質・定理を書いておきます!\nトレミーの定理\n円周角の定理\nフェルマー点\nなどですかね...受験からだいぶ時間が経っているので少し忘れていますが、この三つは結構印象的でした!"}]]}]]}],["$","div",null,{"className":"flex py-4","children":[["$","div",null,{"className":"mr-2","children":["$","$L19",null,{"avatarUrl":null,"contributorName":"しん","adviceId":"zvihV3BmnETekKZ6AXBD"}]}],["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"flex justify-between","children":[["$","div",null,{"className":"mb-2","children":["$","$L1a",null,{"contributorName":"しん","adviceId":"zvihV3BmnETekKZ6AXBD"}]}],["$","div",null,{"className":"text-xs text-caption","children":"7/24 14:57"}]]}],["$","div",null,{"className":"text-xs whitespace-pre-wrap","children":"ありがとうございます!\n補助線のセンスあまりないです!笑\n意識します!"}]]}]]}],["$","div",null,{"className":"flex py-4","children":[["$","div",null,{"className":"mr-2","children":["$","$L19",null,{"avatarUrl":"https://firebasestorage.googleapis.com/v0/b/unilink-48e75.appspot.com/o/images%2Fs_lwddpOvISQfuFggbK0aZIVu8O2r1.jpg?alt=media&token=2303d1e7-10d9-45dc-a77a-124ad955f4c2","contributorName":"かえで","adviceId":"zvihV3BmnETekKZ6AXBD"}]}],["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"flex justify-between","children":[["$","div",null,{"className":"mb-2","children":["$","$L1a",null,{"contributorName":"かえで","adviceId":"zvihV3BmnETekKZ6AXBD"}]}],["$","div",null,{"className":"text-xs text-caption","children":"7/24 15:00"}]]}],["$","div",null,{"className":"text-xs whitespace-pre-wrap","children":"頑張ってください!応援してます!"}]]}]]}]]}]}],["$","h1",null,{"className":"text-xl font-semibold","children":"よく一緒に読まれている人気の回答"}],["$","div",null,{"className":"mb-8","children":["$","div",null,{"className":"divide-y","children":[["$","div",null,{"children":["$","$L7",null,{"href":"/advice/YQQQ8GkBTqPwDZPua4mV","children":["$","div",null,{"className":"flex items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"やり直しの仕方"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"数学の問題をやり直す上で、解答や式変形を一字一句覚えるなんていうことがな必要ないことは言うまでもないことだとおもいます。\nなぜなら、数値、条件が全く同じ問題なんて人生でそう出会わないからです。\n\nでは、どうするのか?ということですが、僕が意識していた点はその問題の核となる部分を抽出し抽象化、一般化することです。\n\n要は1から10を得てほしいと言えばいいのでしょうか?\n\n\n具体的に説明すると、立体図形の問題で、ベクトルで解こうとしたけど、なかなか上手くいかなかった。\n\n\n解答にはベクトルによる解法が書かれておりその解法がなかなかテクニカルで簡潔である。\nしかし別解に座標を置いて計算でごり押しする解き方も書いてある。こちらの方法はなかなか、計算量が多そうだ。\n\n\nこういうことがあったとします。\n\nこういう時に、じゃあテクニカルな式変形を覚えようとしていてはなかなか数学力はつきません。\n\nこの問題の復習はいくつかやり方が考えられますが、この問題の核を抽出し一般化とは、以下のようなことです。\n\n1.確かにベクトルのやり方もいい。なので、頭に留めておこう。\n\n2.座標を置くやり方は計算量が多い一方、やっていることは素直である。なので、本当に思いつかなかったら、最終的に座標を置けばいいのではないか?\n\n3.角度といった条件は出来るだけベクトルで扱うのが良さそうだ。\n\n4.交線などは、座標を置き平面の方程式を立てて求めていくのが良さそうだ。\n\n\nなどなど得られることはたくさんあるはずです。\n\n\nこれはあくまで一例ですが、1つの問題から学べることは案外多いものです。\n無作為に問題数をこなすのではなく密度の濃い演習をこなすことをお勧めします!\n\nあくまで僕個人の意見ですので、何か参考になれば幸いです。\n"}],["$","div",null,{"className":"flex mb-1","children":[["$","svg",null,{"stroke":"currentColor","fill":"currentColor","strokeWidth":"0","viewBox":"0 0 24 24","className":"text-subPrimary 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"共通テスト数1A 図形の性質を捨てるのはアリか"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"こんにちは!\n共通テスト数学ⅠAの図形の性質は、序盤でやり方がわからずに大問丸ごと詰んだ、なんてことが起こりますよね、、、。私も経験したことがあります。ただ、捨ててしまうのはよくないと個人的には思います。そこで図形の性質で少しでも点数をとれる方法をご提案させていただこうと思いますので参考にしていただけると幸いです。参考書や勉強法というよりも解いているときの意識をお伝えしたいと思いますので、すぐに実践でき、効果を実感していただけると思います!\n \n1:最後に解く\n苦手な単元に関しては最後に解くのがいいと思います。苦手単元で時間を使いすぎて得意なところで時間不足になってしまったというのが一番もったいないです。マークミスには十分注意して、1→2→4→3の順で解いてみるのはいかがでしょうか。\n\n2:意識しておく定理・公式がある\n図形と方程式で起こりえるのは計算ミスというよりもやり方がわからないということだと思います。「どうやったら思いつくんだよ」みたいなことを答えを見て思うという経験があるとおもいます。共通テスト数学ⅠAにおいては①メネラウスの定理、②角の二等分線と辺の比の公式、③円周角の定理(逆も)、④方べきの定理、この4つのことを常に意識し、どれかを使うかもと準備しておくといいと思います!すべてとは言えませんが、ほぼすべての問題はこれらの定理・公式で半分以上解き進められるようになっています。\n\n3:自分で図を丁寧に描く\n終盤になると序盤で求めた値を使ってさらにメネラウスの定理や円周角の定理などで辺の長さや比を求めるという問題が多いです。問題冊子に書いてある図だけではわかりにくいので自分で大きめに図を描くことを推奨します。ここで私は図をわかりやすくするためにシャープペンシルを使用していました。図をわかりやすく書き、辺や角の値を整理することでやり方を閃く確率が大幅にUPします!\n\n以上3つを意識し実践するだけでかなり変わってくると思います。特に2で挙げた4つの定理・公式の意識は本当に重要だと思います。頑張ってください!!"}],["$","div",null,{"className":"flex mb-1","children":[["$","svg",null,{"stroke":"currentColor","fill":"currentColor","strokeWidth":"0","viewBox":"0 0 24 24","className":"text-subPrimary mr-1","children":["$undefined",[["$","path","0",{"fill":"none","d":"M0 0h24v24H0V0z","children":[]}],["$","path","1",{"d":"M12 6c1.1 0 2 .9 2 2s-.9 2-2 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mb-1","children":"重要問題集と名門の森に取り組めば十分だと思います。\n後は過去問と模試の復習で弱点をつかみつつ、本番の試験の感覚を掴むといった具合でしょう。\n\n物理は\n①正しく図示して\n②正しく立式して\n③正しく計算する\nこれで上手くいきます。\n\n\n---------\n\n【①について】\n\n多くの人が疎かにする部分です。\n物理の力はここにかかっていると過言ではありません。\n必ずどんなに簡単な問題でも最初は意識的に図示を丁寧にすることです。\n図示をすっ飛ばして解答する人がめちゃくちゃ多いですが、とんでもないです。\n\n\n---------\n\n【②について】\n\n速度、変位の式\n運動方程式\nエネルギー保存則\n運動力保存則\netc...\n\n基本法則に従って、正負に気をつけて、スカラー量なのかベクトル量なのかに気をつけて、立式することです。\n\nこれも物理の力が試されていますが、前提として①が出来てなければ正確な立式など不可能です。\n\n\n【③について】\n\n③は数学の計算力と共通ですが、違うところが二つあると思っています。\n\n*単位(ディメンション)が正しいかどうかを追いかける力\n→化学でも求められますね。\n\n*省略可能な計算パターンを省略する力\n→覚えていたら思考段階を飛ばせるパターンが存在します。\n\n前者はとにかく意識して追いかけること。\n後者は数をこなすと身についてきますし、物理の先生はこういうの教えるのが好きな人が一定数います。\n\n\n---------\n\n【まとめ】\n\n問題集は質問者様のやろうとしている2冊で十分。\n後は模試の復習、過去問。\nただし、①をキチンと意識的に取り組むこと。\n②と③は①と比べると、問題集を進めていく中で自然と身につくと思います。"}],["$","div",null,{"className":"flex mb-1","children":[["$","svg",null,{"stroke":"currentColor","fill":"currentColor","strokeWidth":"0","viewBox":"0 0 24 24","className":"text-subPrimary 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