A book with a hint

摘要

1. TECHNICAL FIELD OF THE INVENTION;A book with a hint;2. The technical gist of the invention;The present invention is provided with a shade between the bookmarks to record the problem and commentary, hints and answers on one side of the book, so that the examinee can not easily see it, and the process of solving the student's own answer and the correct answer The purpose of this study is to provide a book with a hint shade that maximizes the efficiency of learning by making it easier to compare.;3. Summary of solution of design;The present invention is a plurality of sheet portion containing a predetermined content; A coil spring on which one side of the seat portions are bound; A first section and a second section section for dividing a surface of the sheet section to separately record a problem and a comment, hint, and correct answer corresponding to the problem; And a hint shield fitted to the spring and rotatably mounted, the hint shield including a hint shield to cover a section including an answer among the first and second sections.;4. Important uses of the devise;The present invention is to improve the efficiency of learning without inconvenience to the examinee by using the hint screen.