【20分計算ドリル14】足し算、引き算、掛け算、割り算の計算問題【脳トレ・認知症予防】有酸素運動をしながら計算問題を解いて認知機能の維持・向上を図りましょう！
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チャンネル登録よろしくお願いします！ https://www.youtube.com/channel/UCmZJPx_HFg9qpvdv8VPJ6Qg いつもご視聴 ...
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