{"product_id":"trachtenberg-speed-system-of-basic-mathematics-9780285629165","title":"Trachtenberg Speed System of Basic Mathematics","description":"\u003cp\u003eUnlock the secrets of rapid mental arithmetic with the \u003cstrong\u003eTrachtenberg Speed System of Basic Mathematics\u003c\/strong\u003e by \u003cstrong\u003eJakow Trachtenberg\u003c\/strong\u003e. Published in 1989, this insightful book spans 272 pages and is an essential resource for anyone looking to enhance their mathematical skills. The Trachtenberg Speed System offers innovative techniques that allow you to perform high-speed, complex calculations in your head with ease. Whether you're a student, a professional, or simply someone who loves numbers, this book will transform the way you approach mathematics. Dive into the world of efficient problem-solving and elevate your arithmetic abilities to new heights. Don't miss out on this opportunity to master the art of mental math!\u003c\/p\u003e","brand":"Jakow Trachtenberg","offers":[{"title":"Default Title","offer_id":50899498074454,"sku":"9780285629165","price":62.0,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/3206\/6390\/files\/9780285629165.jpg?v=1753654789","url":"https:\/\/www.englishbook.pl\/products\/trachtenberg-speed-system-of-basic-mathematics-9780285629165","provider":"Bookshop","version":"1.0","type":"link"}