This is a set of "Systematic Mathematics" textbooks published by Suken Shuppan, designed for combined junior high and high schools. I purchased these for advanced learning. I found them while organizing my bookshelves to declutter. The condition is described below. Shipping may be changed to Yu-Yu Mercari delivery. ■ Set Contents Systematic Mathematics 1 Algebra Edition (for 1st and 2nd year junior high school students) 　　There are stains and writing on a few pages. Systematic Mathematics 1 Geometry Edition (for 1st and 2nd year junior high school students) 　　The cover has creases. Systematic Mathematics 2 Geometry Edition (for 2nd and 3rd year junior high school students) 　　It is in near-new condition and is a beautiful item. Systematic Mathematics 3 (bridging 3rd year junior high school students to 1st year high school students / Math I) 　　It is in near-new condition and is a beautiful item. ※Everything in the photos is included. ■ Please Note This is the "old edition" and not the latest revised edition. It is ideal for those looking for advanced learning or self-study practice materials. Thank you for your understanding and consideration.