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1c:Td7b,受験勉強お疲れ様さまです！

まずは僕の参考書ルートを載せておきますね！

青チャート→一対一対応(2Bのみ)【高２三学期～高３五月】→文系プラチカ【高３夏休み】→過去問＆添削【高３九月～】

既に青チャートを何周かしているとの事なのでおそらく基礎は出来上がってきているのかなと思います。基礎固めが終わったら、次は受験数学へのウォーミングアップです。僕が使っていた一体一対応は各問題にひとつずつ解法が結び付けられており、受験問題に必須の問題に対応出来る武器を身につけられます。個人的にはプラチカよりも解説が丁寧な気がします。
一方で、僕自身理系プラチカは解いていないのですが、プラチカの強みは問題量の多さだと思います。そのおかげで1冊をあらかた理解すればかなり対応力が身につくでしょう。
このふたつについてはぜひ書店で中身を見てみて、自分に合う方を選んで欲しいです。

ウォーミングアップが完了したら次は応用です。身につけた武器をプラチカなどの演習で実際に使ってみましょう。自分はまず1周する中で間違えた問題には印をつけ、2周目からしらみ潰しに解き直すようにしていました。また、一橋大学は確率、整数、図形、微積等が頻出のため、あまり出ることが少ない分野(データ、統計…)はとばすのも手です。ある程度実力は幅広くつけておくのがベストですけどね…。

最後に過去問演習です。一橋大学は同様の傾向の問題が数年越しに出ることがあります。そのため過去問以外の演習も大事ですが、過去問を解くことも非常に有効です。また、過去問を解く際には定期的に添削を先生方にお願いしましょう。そうすることで解答する上での思考回路、解答の文章が洗練されていきます。

さて、他の回答にもよく書くのですが、受験数学の真髄は個人的にパターン化だと思ってます。パターン化とは、どのような問題が来た時にどのように対応するかを身につけておく、ということです。

例えば、整数の組を求める問題なら方程式を積の形にしてみたり、、、といった感じです。そして、そのためにはとにかく演習量が必要です。とにかく色々な問題に触れてみてください。一橋大学だけでなく旧帝大の過去問も解いてみるといいかもしれません。たくさんの問題に触れて対応力を伸ばすことが数学のコツだと思います。

一橋大学の数学はもちろん難しいですが、何かに気づければ案外すんなり解けるということもあります。そのためには対応力が必要です。まず基礎を身につけ、次に過去問に取り組むための実力を養い、そして過去問などで演習を積んで対応力を伸ばしましょう。

いかがでしたでしょうか？あまり大したことはしてきませんでしたが、参考になれば幸いです！残り約10ヶ月、学生生活を本気で楽しみ、受験勉強に本気で取り組みましょう！応援しています！2:["$","main",null,{"className":"px-4 pt-4 pb-4","children":["$","div",null,{"className":"max-w-3xl mx-auto w-full","children":[["$","div",null,{"className":"mb-8","children":["$","$L7",null,{"href":"https://unilink-app.onelink.me/isbO/h6xeh63x?advice=Ys6JuWYBTqPwDZPulF20","target":"_blank","children":["$","$L8",null,{"src":"/images/web_to_app_banner.jpg","width":3660,"height":1500,"sizes":"100vw","style":{"width":"100%","height":"auto"},"alt":"UniLink WebToAppバナー画像","className":"mb-4 rounded"}]}]}],["$","h1",null,{"className":"text-xl font-semibold mb-2","children":"理系数学の良問プラチカのすすめ方"}],["$","div",null,{"className":"flex justify-between mb-4","children":[["$","div",null,{"className":"text-left text-xs text-caption","children":["クリップ(",4,") コメント(",1,")"]}],["$","div",null,{"className":"text-right text-xs text-caption","children":"10/28 7:18"}]]}],["$","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。"}],["$","div",null,{"className":"mb-4","children":["$","$L13",null,{"clientImageUrl":null,"clientUserName":"みず","infoString":"高3 栃木県 上智大学志望","adviceId":"Ys6JuWYBTqPwDZPulF20"}]}],["$","div",null,{"className":"mb-8","children":[["$","div",null,{"className":"leading-loose whitespace-pre-wrap","children":[["$","div","consultation-part-0",{"children":[null,"プラチカを使った方に質問なのですが…\n\nすすめ方や何周やったとか教えて頂きたいです。\n\nあと、1日3題･2ヶ月完成と表紙に書いてあるのですが、この場合1周に2ヶ月かかるということなので復習とかしていたら2ヶ月では終わらないですよね。上手い周回の仕方を聞きたいです。よろしくお願いします"]}]]}],["$","div",null,{"className":"pt-4","children":["$","$L14",null,{}]}],null]}],["$","h1",null,{"className":"text-xl font-semibold mb-2","children":"回答"}],["$","div",null,{"className":"mb-4","children":["$","$L15",null,{"adviserImageUrl":null,"adviserName":"ちー","adviserDepartment":"京都大学医学部","adviceId":"Ys6JuWYBTqPwDZPulF20"}]}],["$","div",null,{"className":"coach-mark mb-4","children":"すべての回答者は、学生証などを使用してUniLinkによって審査された東大・京大・慶應・早稲田・一橋・東工大・旧帝大のいずれかに所属する現役難関大生です。加えて、実際の回答をUniLinkが確認して一定の水準をクリアした合格者だけが登録できる仕組みとなっています。"}],["$","div",null,{"className":"mb-8","children":[["$","div",null,{"className":"leading-loose whitespace-pre-wrap mb-4","children":[["$","div","advice-part-0",{"children":[null,"はじめまして！\n理系プラチカはとりあえず1日５題で一通り解いて、解けなかった問題だけもう一度解くようにしましょう👍\nまた、理系であっても文系プラチカをやる方が良いというのはよく耳にします。文系向けなので数３は載っていないですが、問題量が多いのが魅力です。1A2Bに特化した問題を沢山こなせます。\n\n高二のうちに基礎を固められるといいと思います\n\n頑張ってくださいね(*¨*)"]}]]}],["$","div",null,{"className":"mb-4","children":["$","$L16",null,{"adviserImageUrl":null,"adviserName":"ちー","adviserDepartment":"京都大学医学部","adviceId":"Ys6JuWYBTqPwDZPulF20","numberOfFan":5,"clipsAvg":3,"adviceRateAvg":5,"profile":"京都大学医学部人間健康科学科1回生です。\n特色入試で合格しました。\n現役です。河合塾に通っていました。\n質問や相談なんでもお聞きします🙆🏻‍♀️"}]}],["$","div",null,{"children":["$","$L7",null,{"href":"https://ck.jp.ap.valuecommerce.com/servlet/referral?sid=3364577&pid=884970531&vc_url=http%3A%2F%2Fshingakunet.com%2F%3Fvos%3Dnrmnvccp0000100","rel":"nofollow","target":"_blank","children":["$","$L8",null,{"src":"/images/document_request_banner.jpg","width":3660,"height":1500,"sizes":"100vw","style":{"width":"100%","height":"auto"},"alt":"UniLink 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12:30"}]]}],["$","div",null,{"className":"text-xs whitespace-pre-wrap","children":"回答いただきありがとうございます。"}]]}]]}]]}]}],["$","h1",null,{"className":"text-xl font-semibold","children":"よく一緒に読まれている人気の回答"}],["$","div",null,{"className":"mb-8","children":["$","div",null,{"className":"divide-y","children":[["$","div",null,{"children":["$","$L7",null,{"href":"/advice/Bka5AXIBTqPwDZPuP_wZ","children":["$","div",null,{"className":"flex items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"復習について"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"初見で解けたならば、基本やり直す必要は無いと思います。ただそこを復習したばかりであった、などという理由があれば改めて時間を置いて、目を通す。くらいはした方がいいかもしれないですね！\n\n標準問題精巧が完璧ならば、1対1でもプラチカでも、問題なく進めて行けると思いますが、あとは問題数ですかねー。1対1の場合、少ない問題だけどちょっと特殊な問題があって１問１問\n重い。プラチカは良問がつまっているのと、問題と解答が別になっているというメリットがあると思います！ただたまに、私立にはいらないかなぁという問題もあるので、そこは吟味が必要ですね笑\nただまだ5月中旬ですので、時間もありますし、プラチカをゆっくりすすめて、極めればかなりの数学強者になれると思います！\nいまはとにかく問題数をこなして、学校がはじまったら、解法をしっかり理解するようにする、というのもアリだと思います！いっぱい解いて、いっぱい質問作って、先生に宿題を作りましょー笑"}],["$","div",null,{"className":"flex mb-1","children":[["$","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":[]}],["$","path","1",{"d":"M12 6c1.1 0 2 .9 2 2s-.9 2-2 2-2-.9-2-2 .9-2 2-2m0 10c2.7 0 5.8 1.29 6 2H6c.23-.72 3.31-2 6-2m0-12C9.79 4 8 5.79 8 8s1.79 4 4 4 4-1.79 4-4-1.79-4-4-4zm0 10c-2.67 0-8 1.34-8 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"標準問題精巧　文系or理系プラチカ"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"こんにちは。\n僕はどちらも取り組みましたので、その経験を共有したいと思います。\n\n\nまず、難易度で考えると個人的に標準問題精講の方が易しいと感じます。\n\n標準問題精講は基本から応用まであり、基本で抜けているところも確認しつつ、新しいことを学ぶことができるので、プラチカを解く前に数学力を鍛えることができると思います。\n\nまた、標準問題精講で分からない問題を解決しておくことで、プラチカの解説をより理解しやすくなります。\n\n同じような問題も複数ありますが、それぞれ異なる解法を使っていたり、同じ解法でも説明がわかりにくい部分があったりするので、プラチカを解く際は標準問題精講も用意することをお勧めします。\n\n\n最後に、標準問題精講を9割ほどできるようになったらプラチカに取り組んでも問題ないと思います。標準問題精講でもかなり難しい問題がありますので、そこは印をつけておいてプラチカを解いたあとにもう一度解いてみてください。その頃には過去問がかなり解けるようになってると思いますよ！\n\n\nそれでは応援してます！"}],["$","div",null,{"className":"flex mb-1","children":[["$","svg",null,{"stroke":"currentColor","fill":"currentColor","strokeWidth":"0","viewBox":"0 0 24 24","className":"text-subPrimary mr-1","children":["$undefined",[["$","path","0",{"fill":"none","d":"M0 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"オススメの参考書"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"参考までに、自分の使っていた参考書を載せさせて頂こうと思います。\n\nカルキュール（駿台文庫）→短期集中ゼミ→プラチカ\nの順でやってました。\nこれにプラスで駿台の講座をこなしつつ、数学の偏差値は駿ベネ記述模試で76まで伸ばせました。\n\nプラチカはやる予定との事ですので、カルキュールと短期集中ゼミの特徴を挙げようと思います。\n\n・カルキュール\nカルキュールは何語（忘れました笑）かで\"計算\"という意味で、その名の通り計算演習向けに作られた参考書です。\nとは言え、各単元の基礎的な問題を解けることになり、最初に始める数学の参考書にいいと思います。\n自分は、1月のセンター同日模試まで青チャートをやっていたのですが、いかんせん量が多すぎて手が回らず、センター模試の結果が5割未満と余りに酷かったため、基礎に立ち返ってこの問題集を始めました。\nペースにもよりますが、概ね1.5ヶ月ほどで三周できます。\n\n・短期集中ゼミ\n学校で配布されたので使いました。\n主に大東亜〜日東駒専レベルの過去問を中心に、各単元の重要な考え方を含む問題が載っています。\n志望校よりかなり下の問題だと思いますが、これが意外と難しくて解けません。それだけ良問が揃ってると思ってください。\nちなみに、タイトルに「10日でおわる！」とありますが、相当頑張らないと10日じゃ終わりません笑\nですが、問題数はさして多くないので概ね1ヶ月あれば三周ほどできます。\nこの本の有効な点として、全ての単元を短期間に学習できる事です。\nこうする事で今までバラバラに覚えていた色々な単元が頭の中で体系的に結びつき、かなり数学力を伸ばせます。\n\n\n長々と書いてしまいましたが、自分は数学の勉強だけは誰よりも量と時間をかけたつもりです。\n参考書や問題集の使い方、数学の学習方などでまたお困りの事があればいつでも質問お待ちしております。\n\n\n\n"}],["$","div",null,{"className":"flex mb-1","children":[["$","svg",null,{"stroke":"currentColor","fill":"currentColor","strokeWidth":"0","viewBox":"0 0 24 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"一橋志望 数学の勉強計画はこれで大丈夫か"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"お答えしますね！\n\nよくあるルートなのでそのルート自体に問題はないと思います。しかし問題は「質問者様がそれだけの量をこなせるのか」と言うことです。数学が辛いと感じるレベルで、それだけ大量の問題をやるとなるとかなりの時間を数学に割かなくてはならなくなります。「数学が苦手だから数学の問題をたくさん解こう！」というのはいいことだと思います。しかし受験は総合力です。しかも、合格者と不合格者の間で顕著な差があるのは、文系の場合社会でしょう。そこまで大量の問題をやるのに一年という時間は短すぎると思います。\n\nそこで、数学は\n\n①青チャートを今以上に完璧な状態をめざす\n②他の問題集は練磨に絞り、余裕があれば理系プラチカもやる\n③応用問題の演習は過去問を使う\n\nということにしてはどうということにしてはどうでしょうか。一年は長いようで時間がありません。しかも社会の未修範囲を完璧にしつつ、一橋の恐ろしい社会科の論述を対策し、国語では近代文語分までやらなくてはなりません。その意味でも、数学に関して使う教材を絞って学習を進めてみてはいかがでしょうか？"}],["$","div",null,{"className":"flex mb-1","children":[["$","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 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mb-1","children":"青チャート・フォーカスゴールド・1対1などのいわゆる「網羅系」の参考書は終わらせましたか？\n\nプラチカは難易度的にこれらの参考書の一つ上のイメージです。\n\n基本的に、受験数学において難問と呼ばれる問題は、いわゆる「網羅系」参考書に載っている例題問題のポイントを複数組み合わせたり、発展させて作られていることが多いです。\n\n基本的に復習において重要なのは、次に「似た」問題がきても解けるようにするということです。\n\n他の科目でもそうですが、全く同じ問題はなかなか出ません。でも、「似た」問題はよく出ます。\n\nでは、「似た」とは何なのか？それは、鍵となるポイントが同じということです。\n\nよって、復習においてはその問題のポイントが何なのかを、抽象化して把握し、次にそのポイントに出会ったときに対処できるような、ある程度一般化された手法を自分の中に確立することです。\n（ある程度というのは、完璧に一般化するのは難しい場合も多いからです。実際は、明確に一般化した手法を覚えていなくても、ポイントに気づきさえすれば解けることが多いです。）\n\nそのため、一度その問題のポイントを把握できたら（「この問題のポイントは〜を調べれば〜がわかるっていうことと、〜が周期的ってことなんだよね」って軽く説明できるイメージ）、2回目以降の復習では、実際に計算したりしなくても、ポイントを拾いながら解答の流れを頭の中で組み立てるだけでも良いです。計算の練習ができず、少し大雑把になりがちですが、大幅に効率を上げれます。\n\n少し回り道になりましたが、質問に対する答えとしては、「その問題の核となるポイントを押さえれていればなんでも良い」です。\n自分の場合はモチベ的に2周目を回すのは気が進まなかったので、問題を解いた後、解説を見てポイントを把握したら、復習すべきと思うポイントを問題文の横に短く書いていき、復習の際は問題文とそのポイントを読んで、「ﾊｲﾊｲこういう問題でこういう解き方ね、ﾊｲﾊｲ」って感じで眺めてました。\n\n色々書きましたが、この辺のことは「受験の叡智」という本に、もっと詳しく、説得力のある形で書かれているので、ぜひ読んでみてください！"}],["$","div",null,{"className":"flex 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