4Book
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About App
The most complete and qualitative Answer keys (GDZ) and Textbooks are represented on the educational site for schoolchildren of 1 - 11 classes of Ukraine - 4BOOK.ORG. We tried to prepare answers and complete solutions to homework assignments to most textbooks, workbooks, laboratory and practical work, control and independent work on all subjects of the new school curriculum. On the portal 4book and in the application, parents and students can find answers to problems, examples and exercises in Mathematics, English, Algebra, Geometry, Ukrainian, Physics, German and other subjects of the curriculum. ...
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