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Junior High
Mathematics
中２数学、確率です。 答えは16個です。（問題は左の写真） 解説は樹形図で解説されています。（解説は右の写真） この解説はわかります。 ①これを完全に計算で求めることはできますか？ ②また、計算で求めることができる問題（確率の）と樹形図を使わなければならない問題の違いってなんですか。 ②個目の質問も答えてくださったら嬉しいです🙂↕️ お願いします！
Junior High
Mathematics
3のこの式の意味がわかりません!教えてください
Junior High
Mathematics
この問題のイの選択肢がなぜ正しいのかわかりません🥹わかる方に理由を教えて欲しいです
Junior High
Mathematics
中一 数学 なぜ、絶対値が5以上8以下になるのですか？ （４）
Junior High
Mathematics
中一 数学 テストでこのように書いたらダメな理由を教えて欲しいです。
Junior High
Mathematics
連立方程式 2x−y＝4 x＋2y＝5 の解き方を教えてください🙇
Junior High
Mathematics
連立方程式 3x＋y＝8 x−2y＝−1 答え x＝15/7 y＝11/7 であってますか？？
Junior High
Mathematics
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