Book (Practical) Education How to solve the revised junior high school mathematics is easy to understand one by one.

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Education
Each junior high school is easy to understand / This is a revised edition of the book that explains how to solve mathematics taught in junior high school in an easy to understand way with illustrations and illustrations. It explains even difficult terms in detail, so it is easy to understand even for those who are not good at mathematics. It comes with a "keyword search" that allows you to quickly find the solution from the terms in question sentences when you have problems that you don't understand.