发明名称 TEXTBOOKS FOR LEARNING MATH
摘要 The present invention relates to a textbook for learning math, characterized by checking concepts, solving math problems, and improving reasoning ability by representing MAC address to return to basic concepts when a student solves math problems. For the purpose, the textbook comprises a concept arrangement part, a basic problem part, a practice problem part, and an explanation and answer part.
申请公布号 KR101334992(B1) 申请公布日期 2013.11.29
申请号 KR20120131801 申请日期 2012.11.20
申请人 ROYAL ROAD 发明人 LEE, MOON SUNG
分类号 G09B19/02;B42D1/00 主分类号 G09B19/02
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