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目で見る算数

All videos
¥ 680 (1 month)
All videos
¥ 680 (1 month)
A video doesn't play smoothly ?

チョコレート計算機

目で見る算数

分数どうしのかけ算の計算です。この問題を解くために「チョコレート計算機」の登場です！板チョコ１枚を１として考えてみると…。

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

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