{ "item_title" : "The Second Kind of Multiplication in the World", "item_author" : [" Shuyun Li "], "item_description" : "Multiplication is a common way of calculating numbers in people's lives. People have been learning the multiplication method for the more common vertical multiplication (ie, the traditional multiplication). This book introduces the new multiplication calculation process: second multiplication. According to its calculation process, it can also be called the horizontal multiplication (corresponding to the conventional vertical multiplication). According to its calculation forms, it can be also called the butterfly multiplication. The second multiplication has the following characteristics: 1. Horizontal column; 2. Simpler calculation process; 3. Good for intellectual development. This book explains the second multiplication (butterfly multiplication) principles. Each chapter provides exercises and review questions.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/53/941/586/1539415864_b.jpg", "price_data" : { "retail_price" : "50.00", "online_price" : "50.00", "our_price" : "50.00", "club_price" : "50.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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