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by Yongcheng Chen (Author)
Math Competition Books Series -- This book introduces a powerful problem solving technique - the discriminant method. The book can be used by students preparing for math competitions such as Mathcounts, AMC 10/12/AIME. 9th book: Problem Solving Using Auxiliary Lineshttps: //www.amazon.com/dp/1975681754 10th book: https: //www.amazon.com/Problem-Solving-Using-Vietas-Theorem/dp/1542800056
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A small yet very thoughtful devotional book. A beautiful way to promote seeing God everyday in everything.
genuinely a good read
It’s a great item, exactly what i was expecting 😊
Está perfecto con muchas páginas para dibujar
Llego bien gracias.
