【中学受験_算数 spi対策】q&a 第77回 円の中の二等辺三角形の個数

2023 2:19
Synopsis
場合の数#図形と場合の数 よちゃんの質問をくま先生がわかりやすく教えます。 問題の考え方や解き方を丁寧に説明します。
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