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二次関数

【すべての実数とは？】15分で二次不等式が理解できる【受験に役立つ数学IA】

みなさん、こんにちは。数学ⅠAのコーナーです。今回のテーマは【二次不等式】です。 答えが「すべての実数」なんて言われたら、びっくりしてしまいますよね。今回は、すべての実数とはどういうことだろうという疑問にお答えしていきます。 その前に、そも...
2020.05.17
二次関数
スポンサーリンク
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