{"product_id":"9784867121108","title":"倍から割合へ 売買算 新装版","description":"「何は何のいくら分（何割・何%）か」という割合の関係を学習します。\u003cbr\u003e歩合・百分率の単位換算も学習。\u003cbr\u003e売買算を線分図を用いて解説します。\u003cbr\u003e小数範囲","brand":"認知工学","offers":[{"title":"Default Title","offer_id":49619251822896,"sku":"","price":660.0,"currency_code":"JPY","in_stock":true}],"url":"https:\/\/www.maruzenjunkudo.co.jp\/products\/9784867121108","provider":"丸善ジュンク堂書店ネットストア","version":"1.0","type":"link"}