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あばれる三角形 前編

目で見る算数

やや!あばれている三角形がいます。まだ形や大きさが決まってないみたいです。
形や大きさを決めるにはいったいどうすれば…。

All videos
¥ 680 (1 month)
Details of how to purchase here.
Details of how to purchase here.

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