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1c:Tf72,数学の応用問題を解くには二種類の力が必要です。
㊀定石 公式等の理解
㊁定石 公式等を使ってどう問題を解くか考える力

もし㊀ができていないと感じているならば チャートやその他の問題集を使って 分野別に勉強しましょう。

㊀はできているならば 融合問題を解くことで 考える力を養いましょう。
もし融合問題が見つからないというならば
Googleで 電数と調べてみてください。
各大学の過去問などが載っている 数学のサイトがあります。活用してみてください。

しかし”考える力”とはなんなのか 次の問題を解く際の僕の思考回路をお伝えしながら解いていこうと思います。

問題 Tan1°は有理数かどうか(2006年 京大)

僕の頭の中
㊀「三角関数かー 確信はないけどおそらく無理数やろうなあ、、 背理法かなんかで証明すればええんかな、、？」
ここまでは誰でも閃きそうですね。

㊁「有理数と無理数の話やから 分数うまく使って背理法やろうなぁ」
この発想は rute2の無理数証明での定石から思いつきます。

㊂「tan=a/bでおいてもどうしようもないなあ。 cos=b/rute a2 b2になるだけやしなあ。」
この発想から逃れるのは少し難しいかもしれませんが、何度か試すと これじゃダメだと気づくはずです。

㊃「ならどうやって分数の話に持ち込もうかな、、 あっ！ tanの加法定理って分数じゃなかったっけ！」
これは日常的にしっかりとtanの加法定理を意識できているかどうかですね。

㊄「じゃあどーせ背理法やし tan1°を有理数として 加法定理使ってみよかな。
 tan(1-0)=tan1-tan0/1-tan1tan0=tan1
あれ 元に戻ってもた。」
ここでのポイントはtan1を有理数として背理法を使うことですが、これは㊁から明らかですよね。rute2=a/bっておいて背理法するでしょ？

㊅「次tan2はどうやろか
tan2=tan(1 1)=tan1 tan1/1-tan1tan1
あれっ？ tan1が有理数なら tan2も有理数になってもたぞ！？」
ここが最大のポイント！
整数の問題全般に言えることですが、方針がたちづらい時は 数を増やしたりして実験しましょう。
∴例えば nが関わる問題なら n=1やn=2を代入してみるのです。

㊆「tan3=tan(1 2)=...  tan6=tan(3 3)
これ続けてったらtan@全部有理数になんね？   ってことはtan60も有理数なってまうやん！」
決定的な一打です。
㊇「ならtan1が有理数ならtan60も有理数なるってこと示して終了やな！」


僕の思考回路を砕いて説明しました。
この問題は入試において有名な難問ですが、 所詮はこの程度です。
思考回路に特別なセンスが感じられるところありましたか？ ないでしょう？
多くの定石を身につけていれば必然的にこのように解くことができるはずです。


自習で融合問題を解く際、わかってもわからなくても 自分で思考のフローチャートを書きながら解いてみてください。 
もし問題が解けたなら 解答をみて 自分のフローチャートと見比べてみましょう。 
問題が解けていないならば どこの発想が足りなかったのかしっかり分析しましょう。

長くなりましたが最後にまとめるならば
 「この問題解けない！ 解答みよ！ 」だけはやめましょう。 
「この問題 ここまではフローチャートかけたけど どうしてもここから進まない、、 
解答みて どの思考が足りなかったか確認しよう、」  こうしましょう。
まだまだ時間はあるので 頑張ってください！1d:T19f9,こんにちは、僕も高1の頃は定期テストで0点を取るほど数学がダメダメだったので、数学への苦手意識はとても共感できます🥲
しかし以下のような勉強をすることで最終的に数学を武器に合格できたので、お伝えしようと思います！
苦手意識がある高校1年生ということで、過去問とかをやる段階ではないと思うので、割と基礎的なほうの段階についてお伝えしようと思います。

大前提を先に言います。
①「どんな問題も、解く過程を全て紙に書いて、記述する」
二次関数の頂点を求めよといっためちゃくちゃ基本的なものでも面倒ですが絶対に途中過程を書いてほしいです。
②「正解した問題は別解を考え、間違えた問題はできるようになるまで繰り返し続ける」
解く引き出しを増やし、解けない問題を無くしましょう。
模試でも同じで、復習の際には、解けなかった問題は絶対に解けるように、合ってた問題は別解がないか考える(楽しみながら！)ことを大切にしてほしいです。
③「計算ミスは実力だ！！」
計算ミスだから、といって放置しないことです。計算ミスをしたら、どこでミスしたのか探して、最初から解き直しましょう。仮に共テや二次で計算ミスしたら命取りです。本当に数十点飛びます(経験あり)。
④「解説見てもわからなかったら人に聞く」
学校の先生でも、数学できる友達でも、塾の先生でも、だれでもいいので、わからなかった問題は質問しましょう。放置しないことです。ただし、聞く前に自分で考え抜きましょう！！それでもわからなかったら聞きましょう👍

(1)やった参考書について
(2)意識すること
(3)これで到達するレベルはどれくらいか

(1)
まず基礎問題精講をやってみましょう。こんな簡単なのやる意味ある？って思っても、意外と解けない問題ってあります。そういう問題を解けるようにしましょう。基礎問題精講に関しては解けない問題は一個もない！全問すぐに解答を書き上げられる！っていう状態にしましょう。

次に青チャート、FocusGoldといった網羅系の参考書です。これもとても重要で、この先難問に当たったとき、「考える」ための「引き出し・手段」として、必ず身につけなければならないものばかりです。絶対に完璧にしましょう。仮に数学が偏差値60くらいあるとしても今一度やり直してほしいです。意外と解けない問題、あります。
ここは何周もしてほしいです。(ぼくは高2のときに青チャート1A2Bを全問3周しました、このおかげで数学偏差値49→73になりました) 面倒ですよね、、、けど受験勉強は気合いが大事です。やるしかないのでやりましょう。例題と練習問題がありますが、全部やりましょう。
青チャートは、高2,3になっても、模試で苦手分野がはっきりしててー、っていう場合にその分野を全問解く、などしましょうね！！基礎は本当に大事です。

次に1対1です(僕は挫折してしまいました)。
結構難しいです。1A2Bのうち、AとBはいらないかなーと思いました。正直ここは全部やりきれなかった、、でもいいと思います。しかしやれば得られるものはとても大きいです。たとえば、引き出しがとても増えるし、計算が重いので計算力がつきます。ぜひやり抜きましょう。例題と演習題がありますが、他の科目とのバランスがとれるようなら演習題もやりましょう。

(2)
①「本質」「定石」のようなものを意識してみましょう。
たとえば、「二次関数のグラフとx軸の交点は、二次方程式の解」「確率はすべてのものを区別する」「図を描いて考えてみる」「二次関数に帰着する」「〇〇=tと置いたら変域を考える」などです。これは、基礎的な段階でも意識してほしいし、その先の段階(旧帝の入試問題など)でもずっと意識すべきことです。こういう基本的なところで大きく差がついてしまいます。

②上に挙げたもの“だけ”をやってると、飽きます。そしてつまらなくなります。そんなときは、入試問題や模試の過去問を解いてみましょう。オススメなのはセンター数学です！(共テじゃなくてセンター！)
センター数学は基礎力を測るにはとてもいいものです。たまーにやってみましょう。時間も計りましょう。ここで注意点ですが、選択問題もありますが、時間測るときは選んでいいですが、その後選ばなかった問題も解きましょう！大きく意味があるものになります。

③目的意識を持って勉強しましょう。「受かるため！」というものではなく、たとえばこの勉強であれば、
「苦手分野をつぶす」
「応用問題を考えるための引き出しを増やす」
「基礎を固める」
といったものです。

④「引き出しを得る」ためのものですが、基礎的な問題、特に二次関数以降の分野においては、常に「考え」て解きましょう。①を意識するような感じです。

⑤細かいことを意識しましょう。たとえば、
「分母に文字や式が出たら、分母が0にならないか確認する」
「〇〇=tとおいたとき、変域を書く」
「判別式は二次方程式にしか使えない(2次の係数が文字のとき、(文字)=0のときを確認しているか)」
などです。今の段階から意識しましょう。こういう細かな点が、入試や模試の採点の大事な要素となっていますし、数学を「考える」大事な要素です。

(3)
ここまでやれば、進研模試でいえば偏差値70〜75まではいきます。旧帝大のやや易〜標準レベルの問題を、時間はかかるけど解けるようになります。一橋志望ということでもっと高いレベルを目指してほしいですが、焦らず、まずは基礎を固めることです。地に足つけて、ぜひ頑張ってください。2:["$","main",null,{"className":"px-4 pt-4 pb-4","children":["$","div",null,{"className":"max-w-3xl mx-auto w-full","children":[["$","div",null,{"className":"mb-8","children":["$","$L7",null,{"href":"https://unilink-app.onelink.me/isbO/h6xeh63x?advice=n4MuhuF9Wjb6eLAUhnZH","target":"_blank","children":["$","$L8",null,{"src":"/images/web_to_app_banner.jpg","width":3660,"height":1500,"sizes":"100vw","style":{"width":"100%","height":"auto"},"alt":"UniLink WebToAppバナー画像","className":"mb-4 rounded"}]}]}],["$","h1",null,{"className":"text-xl font-semibold mb-2","children":"数2の三角関数"}],["$","div",null,{"className":"flex justify-between mb-4","children":[["$","div",null,{"className":"text-left text-xs text-caption","children":["クリップ(",1,") コメント(",3,")"]}],["$","div",null,{"className":"text-right text-xs text-caption","children":"9/8 22:28"}]]}],["$","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。"}],["$","div",null,{"className":"mb-4","children":["$","$L13",null,{"clientImageUrl":null,"clientUserName":"あいうえお","infoString":"高1 兵庫県 京都大学経済学部(66)志望","adviceId":"n4MuhuF9Wjb6eLAUhnZH"}]}],["$","div",null,{"className":"mb-8","children":[["$","div",null,{"className":"leading-loose whitespace-pre-wrap","children":[["$","div","consultation-part-0",{"children":[null,"今先取りで数2をやっているのですが三角関数が難しく中々理解できません。\nこういう時は数１の三角比に戻った方がいいのでしょうか？\n(インプットとして始めからはじめる数学2、アウトプットとして入門を使っています"]}]]}],["$","div",null,{"className":"pt-4","children":["$","$L14",null,{}]}],null]}],["$","h1",null,{"className":"text-xl font-semibold mb-2","children":"回答"}],["$","div",null,{"className":"mb-4","children":["$","$L15",null,{"adviserImageUrl":"https://firebasestorage.googleapis.com/v0/b/unilink-48e75.appspot.com/o/images%2Fs_Z29uuldutje6mSN1N15uHNXo2583.jpg?alt=media&token=82d31c40-a3aa-49e6-9524-172fc0b12b15","adviserName":"しゅうは","adviserDepartment":"慶應義塾大学理工学部","adviceId":"n4MuhuF9Wjb6eLAUhnZH"}]}],["$","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":[["$","div","advice-part-0",{"children":[null,"こんにちは！勉強お疲れ様です。結論数Ⅱの三角関数が難しいと感じる場合は、数Ⅰの三角比に戻るべきかと思われます。\n\n具体的に投稿者様がどのような箇所でつまづいているのかはわかりませんが、三角関数の定義(例えば単位円上でsinθやcosθ、tanθはどのような位置関係なのかなど)を理解して、問題演習を積めば数Ⅱの三角関数もきちんと理解できると思います。\n\nまた、グラフやsin(180°-θ)の変換などは関連づけて覚えることができるのでそれもお勧めします！\n\nより細かい相談などがありましたら是非質問してください！勉強頑張ってください！"]}]]}],["$","div",null,{"className":"mb-4","children":["$","$L16",null,{"adviserImageUrl":"https://firebasestorage.googleapis.com/v0/b/unilink-48e75.appspot.com/o/images%2Fs_Z29uuldutje6mSN1N15uHNXo2583.jpg?alt=media&token=82d31c40-a3aa-49e6-9524-172fc0b12b15","adviserName":"しゅうは","adviserDepartment":"慶應義塾大学理工学部","adviceId":"n4MuhuF9Wjb6eLAUhnZH","numberOfFan":1,"clipsAvg":1,"adviceRateAvg":5,"profile":""}]}],["$","div",null,{"children":["$","$L7",null,{"href":"https://ck.jp.ap.valuecommerce.com/servlet/referral?sid=3364577&pid=884970531&vc_url=http%3A%2F%2Fshingakunet.com%2F%3Fvos%3Dnrmnvccp0000100","rel":"nofollow","target":"_blank","children":["$","$L8",null,{"src":"/images/document_request_banner.jpg","width":3660,"height":1500,"sizes":"100vw","style":{"width":"100%","height":"auto"},"alt":"UniLink パンフレットバナー画像","className":"mt-4 rounded"}]}]}],["$","div",null,{"className":"pt-4","children":["$","$L17",null,{"id":"adsbygoogle-init-under-advice"}]}]]}],["$","div",null,{"className":"flex justify-between","children":[["$","h1",null,{"className":"text-xl font-semibold","children":["コメント(",3,")"]}],["$","$L18",null,{"adviceId":"n4MuhuF9Wjb6eLAUhnZH"}]]}],["$","div",null,{"className":"mb-8","children":["$","div",null,{"className":"divide-y","children":[["$","div",null,{"className":"flex py-4","children":[["$","div",null,{"className":"mr-2","children":["$","$L19",null,{"avatarUrl":null,"contributorName":"あいうえお","adviceId":"n4MuhuF9Wjb6eLAUhnZH"}]}],["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"flex justify-between","children":[["$","div",null,{"className":"mb-2","children":["$","$L1a",null,{"contributorName":"あいうえお","adviceId":"n4MuhuF9Wjb6eLAUhnZH"}]}],["$","div",null,{"className":"text-xs text-caption","children":"9/8 22:39"}]]}],["$","div",null,{"className":"text-xs whitespace-pre-wrap","children":"ありがとうございます\nグラフのところでつまづいています"}]]}]]}],["$","div",null,{"className":"flex py-4","children":[["$","div",null,{"className":"mr-2","children":["$","$L19",null,{"avatarUrl":"https://firebasestorage.googleapis.com/v0/b/unilink-48e75.appspot.com/o/images%2Fs_Z29uuldutje6mSN1N15uHNXo2583.jpg?alt=media&token=82d31c40-a3aa-49e6-9524-172fc0b12b15","contributorName":"しゅうは","adviceId":"n4MuhuF9Wjb6eLAUhnZH"}]}],["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"flex justify-between","children":[["$","div",null,{"className":"mb-2","children":["$","$L1a",null,{"contributorName":"しゅうは","adviceId":"n4MuhuF9Wjb6eLAUhnZH"}]}],["$","div",null,{"className":"text-xs text-caption","children":"9/8 22:55"}]]}],["$","div",null,{"className":"text-xs whitespace-pre-wrap","children":"グラフの問題を解く際に、回答を確認して「あーなるほど」って思えますか？\n\nそう思えるのであれば、量をこなせば理解も深まると思うので続行して良いと思います。\n\n一方、解答の内容が理解できないようであれば、数１から復習してもいいかもしれません、、\n"}]]}]]}],["$","div",null,{"className":"flex py-4","children":[["$","div",null,{"className":"mr-2","children":["$","$L19",null,{"avatarUrl":null,"contributorName":"あいうえお","adviceId":"n4MuhuF9Wjb6eLAUhnZH"}]}],["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"flex justify-between","children":[["$","div",null,{"className":"mb-2","children":["$","$L1a",null,{"contributorName":"あいうえお","adviceId":"n4MuhuF9Wjb6eLAUhnZH"}]}],["$","div",null,{"className":"text-xs text-caption","children":"9/8 23:01"}]]}],["$","div",null,{"className":"text-xs whitespace-pre-wrap","children":"なるほどです\nありがとうございます"}]]}]]}]]}]}],["$","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":[["$","div",null,{"children":["$","$L7",null,{"href":"/advice/wlLMgoIBTqPwDZPuosCg","children":["$","div",null,{"className":"flex items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"助けてくださいby三角比でつまづいた高1文一志望"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"　何がわかんないのかわかんないんでなんとも言えないんですが、正直難しい単元ではないので集中的に3.4日程度時間取ればほぼ仕上げることはできると思いますよ。高一なら苦手単元に時間を割いてもあまり痛くないですし、むしろ極端な苦手は気合入れて一気に直しちゃった方がいいですから、4日くらい三角比(関数？)漬けになってみてください。きっとできるようになります。\n　ちなみにそれでも完璧にならない！って場合でも、基礎さえできてれば正直三角比(関数)はほっといても良いです。後々数学に接してると死ぬほど出てくるんで勝手にできるようになります。ただし基礎さえできてれば、ですよ！　僕も昔は苦手でした。\n\n　一つ大事なのは、焦らずに落ち着いて勉強することです。わかんない！やばい！って思いながら勉強してると、不思議なことにどんだけやってもわかんないので、落ち着いて、噛み締めるように勉強していってください。まだ高一ですから焦らずに。"}],["$","div",null,{"className":"flex 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"三角比はある程度理解してとばしたほうがいいのか？"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"こんにちは！受験勉強お疲れ様です！\n\nまず数Ⅱで習う三角関数ですが、これは数Ⅰで習う三角比を関数として拡張したものになります。そのため、三角比との用途はある程度異なるものになります。三角関数は関数としての側面が重視されますが、三角比は図形問題に置ける使用がほとんどです。\n\n計算問題としての三角比の応用問題であれば、三角関数を理解することで十分対応が可能であると考えられますが、三角比を用いた図形問題になれることも大切でしょう。そしてこれら、三角比を用いた図形問題は、共通テストでも必ず出題されます。そのため、三角比の問題をしっかりこなすことは必ず意味がある行為です。\n\n三角比を用いた図形問題に早いうちから触れておくことは重要ですし、三角比をきちんと理解することで三角関数の正確な理解にも繋がります。\n\nそして、一般に受験生としては先取りを早く進めることも重要ですが、その都度分野を深く理解することが大切です。\n\n私自身、先取りを高一で数Ⅲまで行っていましたが、経験上、その都度先取りした分野はある程度完璧にしておかないと、先取りの意味があまり無くなってしまいます。先取りが終わった後あまり完成度が高くなければ、本末転倒です。\n\nとはいえ、分野を周回しているうちに、習熟度も上がっていくのも事実です。そのため、図形的な応用はもちろん、三角比についてきちんと理解しながら、先取りを進めていくことがベストでしょう。\n\n私のおすすめの勉強法は先取りをしつつ、勉強した分野を定期的に復習するという勉強法です。学校の定期テストや模試などをペースメーカーにして復習するのも良いでしょう。そうすることで先取りかつ取りこぼしなく勉強できます。\n\n長くなりましたが、まとめると\n1.三角比には図形問題という側面が大きく三角関数が完全に互換性のあるものではないということ\n2.先取りは分野ごとにある程度仕上げる必要があり、復習とのバランスが大切だということ\n3.復習のペースメーカーには定期テストや模試を有効活用できるということ\n以上3点です。\n\n受験勉強頑張ってくださいね！志望校合格をお祈りしています✨"}],["$","div",null,{"className":"flex 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"数II、数Bの基礎"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"お疲れ様です。\n数学II Bの特徴として、個人的には①微分積分・数列・多項式など計算量が増え複雑な単元が多い②微分積分の最大最小値やベクトルなど図を書いてイメージするものが多い\nの2つがあると思います。\n\nこれらの特徴のうち、特に②は数学1aが得意でも2bになった途端に苦手意識を持ってしまう人が多い要因になっているように思います。（①は問題を多く解いて慣れれることで対応できる要素も強いため）\n\nそのため個人的に進める優先的復習分野としては\n★二次関数（特に最大最小値）\n微分積分では三次関数より大きい関数の最大最小値を求める必要があります。そのため二次関数で確実に最大最小値について理解していないとつまずいてしまう可能性が高いです。定義やXの範囲によって最大最小値を場合分けする方法などを確認しておきましょう。\n★図形と計量・図形の性質\nこちらも特にベクトルで使います。チェバ・メネラウスの定義など復習しておかないと混乱してしまう可能性があります。今一度問題を解いてみてはいかがでしょうか。\n\nもちろん全分野復習することができればベストなのですが時間が限られている場合はこちらを優先してみてはいかがでしょうか。また、2bの学習を進める中で「1aで見た気がするけどわからない…」という分野があれば放置せずすぐに復習してみてください。疑問が解決することも多いですし放置するとどんどん先に進んでしまい余計わからなくなってしまうこともあります。\n以上、ご参考になれば幸いです。\n"}],["$","div",null,{"className":"flex 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"数2全般苦手"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"こんにちは。質問の文章を読んだ段階では、基本がしっかり抑えられているのか、あるいは演習が足りないかを判断するのは難しいので、それぞれの判断基準と対処法、おすすめの参考書を教えたいと思います。\n\nまず判断基準についてですが、今までやった青チャートの星1〜2の問題を解く際に、ノーヒントで人に教えられる段階にあるかどうかが大まかなポイントになると思います。青チャートに出てくる公式を覚えていなかったり、基本例題を人に教えられない段階では基本は身についておらず、このまま演習を積んでも効果はあまりありません。また、基本問題を人に教えられるレベルにあるならば単純に演習が不足していることになります。基本がしっかりできている段階で演習を積むと驚くほど伸びるので、ここの判断は自分に正直にやってください。ここの判断を間違えるとこの先苦しむことになるので注意です⚠️\n\nでは、対処法です。\n基本ができていない場合…青チャート、学校の教科書をベースに4STEPを同時並行で進める。4STEPは基本的な参考書で上位の学校を狙う人にはバカにされがちな参考書ですが、基本を抑える段階と演習を重ねる段階を同時に進められる良い参考書です。しっかりやり込めば、終わった段階で共テで8~9割ほど取れると思います。\n基本ができている場合…良問のプラチカ（河合塾）や基礎問題精巧、標準問題精巧で思考力を鍛える段階です。どの参考書を使うかは実際に自分で書店に行って実物を見て判断するといいと思います。解説が詳しいものがオススメです。\n\n数学のルートとしては「基本が完璧→思考力を鍛える→過去問で伸ばす」です。どこかひとつでも抜けると数学で足を引っ張ることになるので注意です。\n\n最後に、基本をこれだけ強調しているのは自分の経験と塾で持っている沢山の生徒さんの成績推移を見てのことです。自分の生徒の1人に東大受験の生徒さんがいますが、この生徒さんに高三の夏までセミナー（基本的な参考書）と重要問題集（思考力を上げる参考書）を同時並行で急ピッチでやらせていました。すると夏終わりから秋後半で過去問、模試の点数が5→35~45まで指数関数的に伸びました。自分もほかの教科で同じような経験があったので、基本の大切さを未設定さんにも知って欲しく、ここまでしつこく強調しています。（すみません💦）\n\n長くなってしまいましたが、自分の回答が未設定さんの参考になれば幸いです。応援しています！"}],["$","div",null,{"className":"flex 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"共通テスト数学　点数取れない"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"こんにちは！\n\n数学では、問題文に出ている数や文字からある程度方針が立てられるような問題が多いです。\n\n簡単な例ですが、例えば三角関数では、問題文に外接円が出てきたら正弦定理を使うのだろう、問題文に3つの辺が(もしくは2辺と角の大きさが)でてきているなら余弦定理を使うのだろう、と言ったものです。\n\n問題集に関わらず、解いているときや解説を見るときにこの見方ができるようになるかならないかで大きく成長度合いは変わっていきます。ここが大事なポイントです！\n\nこれができるようになると、〇について求めたいから、先に☆について求めればいいのか！という考え方ができるようになっていきます。\n\n勉強法は様々ありますが、問題集をやる→間違えたところをチェック→1日後と3日後にもう一度→1週間後と1ヶ月後にもう一度がおすすめです。期間は人によりますが、私は答えや解き方を暗記してしまわないようにこのサイクルで行っていました。言い換えると、解き方を思い出して解くのではなく、きちんと解き方を考えながら解くようにしていたということです。解き方を暗記してしまうと応用が効きにくくなってしまうからです！伸び悩んでしまう人がしがちなポイントです。\n\n以上の2点抑えてくだされば、キヨ猫さんはもっと伸びるかなと思います(すでにできていたら申し訳ないです_(._.)_)。あとはやはり量をこなしましょう。勉強は効率と量のかけ算だと思います。数学は特に解き慣れていくことが大切です。\n\nまじでがんばってください！みんな応援しています！\n\n"}],["$","div",null,{"className":"flex 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