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ERRORS OF STUDENTS IN SOLVING PROBLEM "WRITE THE EQUATION OF A STRAIGHT LINE THROUGH A POINT AND PARALLEL TO A GIVEN STRAIGHT LINE": A STUDY BASED ON THE CONCEPT "DIDACTICAL CONTRACT"
The paper presents the result of a research based on the concept "didactical contract" which was introduced by G. Brousseau in 1980. On the basis of this concept, we predicted students' errors and verified by the investigation of 60 students who are studying in the "Long Phú" high school – Tam Binh District, Vinh Long Province. These results indicated that the rules of didactical contract could be reasons for students' errors in solving mathematical problems.doi:10.5281/zenodo.494999 fatcat:5ztwtjvt7fgdznlxou5kvlxdsa