A book that uses hint exposure prevention and hint cover

摘要

1. The technical field to which the design described in the claim belongs;Bibliography (B-42-C);2 Technical challenges that designers are trying to solve;Conventional books or notebooks do not divide their faces, so problems, hints, and answers all appear on one side or behind the book, so you have to rely on answers or hints easily, and often have to go back and forth through the book There was a hassle.;3. The point of solution of design;In order to solve such a problem, a hint of a book, a hint of a solution, and a correct answer (2) A hint of a hint (3) After solving the problem and solving all of the problems, I turned the page to the right page so that I could compare the solution with the correct answer. When you want to refer to the hint only, you can solve the problem by referring to the hint by drilling the hint window (5) at the top or bottom of the hint screen (3).;4. Important Uses of Designs;This design will enable students to study effectively in an autonomous and efficient way.