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GOADs MATHS for Secondary 1 Textbook is a brandnew Math book for junior high school, which is the cooperative effort of well-known Chinese cultural company and Thai famous book publisher. The writing committee is composed of Chinese special advisers. They are teachers from various secondary schools with many years of teaching experience,and each of them are specialized in their own field of teaching the subject. They have an in-depth study and formulate the writing plan, which has the latest teaching characteristic in China,also accords with the education standard in Thailand. After several times of modification, they finally finished the book. This book is a fruit of long-term effort and labor of these skillful advisers. With theirexperience and professional knowledge,the book isassured with practical methods and constructional suggestions.