{"id":43197,"date":"2018-12-17T14:22:06","date_gmt":"2018-12-17T11:22:06","guid":{"rendered":"https:\/\/new.azbuki.bg\/matematics\/matharticles2016-3\/2018-6\/"},"modified":"2019-06-13T20:18:04","modified_gmt":"2019-06-13T17:18:04","slug":"2018-6","status":"publish","type":"post","link":"https:\/\/science.azbuki.bg\/en\/matematics\/matharticles2016-3\/2018-6\/","title":{"rendered":"\u0413\u043e\u0434\u0438\u0448\u043d\u043e \u0441\u044a\u0434\u044a\u0440\u0436\u0430\u043d\u0438\u0435 \u043d\u0430 \u0441\u043f. \u201e\u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 \u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0442\u0438\u043a\u0430\u201c, 2018 \u0433."},"content":{"rendered":"<p style=\"text-align: center;\"><strong>ANNUAL CONTENTS\/\u0413\u041e\u0414\u0418\u0428\u041d\u041e \u0421\u042a\u0414\u042a\u0420\u0416\u0410\u041d\u0418\u0415<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>\u041c\u0410\u0422\u0415\u041c\u0410\u0422\u0418\u041a\u0410 \u0418 \u0418\u041d\u0424\u041e\u0420\u041c\u0410\u0422\u0418\u041a\u0410<\/strong><br \/><strong>\u041d\u0430\u0443\u0447\u043d\u043e \u0441\u043f\u0438\u0441\u0430\u043d\u0438\u0435, \u0413\u043e\u0434\u0438\u043d\u0430 LXI, 2018<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>MATHEMATICS AND INFORMATICS<\/strong><br \/><strong>Journal of Educational Research and Practice; Volume 61, 2018<\/strong><\/p>\n<p><strong>PAGES \/ \u0421\u0422\u0420\u0410\u041d\u0418\u0426\u0418<\/strong><br \/><strong>Number 1 \/ \u041a\u043d\u0438\u0436\u043a\u0430 1:<\/strong> 1 \u2013 104<br \/><strong>Number 2 \/ \u041a\u043d\u0438\u0436\u043a\u0430 2: <\/strong>105 \u2013 216<br \/><strong>Number 3 \/ \u041a\u043d\u0438\u0436\u043a\u0430 3: <\/strong>217 \u2013 320<br \/><strong>Number 4 \/ \u041a\u043d\u0438\u0436\u043a\u0430 4: <\/strong>321 \u2013 416<br \/><strong>Number 5 \/ \u041a\u043d\u0438\u0436\u043a\u0430 5: <\/strong>417 \u2013 528<br \/><strong>Number 6 \/ \u041a\u043d\u0438\u0436\u043a\u0430 6:<\/strong> 529 \u2013 632<\/p>\n<p>\u00a0<\/p>\n<p>07 \u2013 10: Editorial \/ \u041a\u044a\u043c \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u044f<br \/>111 \u2013 112: Editorial \/ \u041a\u044a\u043c \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u044f<\/p>\n<p>\u00a0<\/p>\n<p><strong>CONTEST PROBLEMS \/ \u041a\u041e\u041d\u041a\u0423\u0420\u0421\u041d\u0418 \u0417\u0410\u0414\u0410\u0427\u0418<\/strong><br \/> 94 \u2013 94: \u041a\u043e\u043d\u043a\u0443\u0440\u0441\u043d\u0438 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 \u0431\u0440\u043e\u044f [Contest Problems of this Issue]<br \/> 95 \u2013 99: \u0420\u0435\u0448\u0435\u043d\u0438\u044f \u043d\u0430 \u0437\u0430\u0434\u0430\u0447\u0438\u0442\u0435 \u043e\u0442 \u0431\u0440\u043e\u0439 2, 2017 [Solutions of the Contest Problems from Issue 2, 2017]<br \/>206 \u2013 206: \u041a\u043e\u043d\u043a\u0443\u0440\u0441\u043d\u0438 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 \u0431\u0440\u043e\u044f [Contest Problems of this Issue]<br \/>207 \u2013 209: \u0420\u0435\u0448\u0435\u043d\u0438\u044f \u043d\u0430 \u0437\u0430\u0434\u0430\u0447\u0438\u0442\u0435 \u043e\u0442 \u0431\u0440\u043e\u0439 3, 2017 [Solutions of the Contest Problems from Issue 3, 2017]<br \/>302 \u2013 302: \u041a\u043e\u043d\u043a\u0443\u0440\u0441\u043d\u0438 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 \u0431\u0440\u043e\u044f [Contest Problems of this Issue]<br \/>303 \u2013 306: \u0420\u0435\u0448\u0435\u043d\u0438\u044f \u043d\u0430 \u0437\u0430\u0434\u0430\u0447\u0438\u0442\u0435 \u043e\u0442 \u0431\u0440\u043e\u0439 4, 2017 [Solutions of the Contest Problems from issue 4, 2017]<br \/>403 \u2013 403: \u041a\u043e\u043d\u043a\u0443\u0440\u0441\u043d\u0438 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 \u0431\u0440\u043e\u044f [Contest Problems of this Issue]<br \/>404 \u2013 410: \u0420\u0435\u0448\u0435\u043d\u0438\u044f \u043d\u0430 \u0437\u0430\u0434\u0430\u0447\u0438\u0442\u0435 \u043e\u0442 \u0431\u0440\u043e\u0439 5, 2017 [Solutions of the Contest Problems from issue 5, 2017]<br \/>518 \u2013 518: \u041a\u043e\u043d\u043a\u0443\u0440\u0441\u043d\u0438 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 \u0431\u0440\u043e\u044f [Contest Problems of this Issue]<br \/>519 \u2013 521: \u0420\u0435\u0448\u0435\u043d\u0438\u044f \u043d\u0430 \u0437\u0430\u0434\u0430\u0447\u0438\u0442\u0435 \u043e\u0442 \u0431\u0440\u043e\u0439 6, 2017 [Solutions of the Contest Problems from issue 6, 2017]<br \/>614 \u2013 615: \u041a\u043e\u043d\u043a\u0443\u0440\u0441\u043d\u0438 \u0437\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 \u0431\u0440\u043e\u044f [Contest Problems of this Issue]<br \/>616 \u2013 619: \u0420\u0435\u0448\u0435\u043d\u0438\u044f \u043d\u0430 \u0437\u0430\u0434\u0430\u0447\u0438\u0442\u0435 \u043e\u0442 \u0431\u0440\u043e\u0439 1, 2018 [Solutions of the Contest Problems from Issue 1, 2018]<\/p>\n<p>\u00a0<\/p>\n<p><strong>EDUCATIONAL MATTERS \/ \u041d\u0410\u0423\u0427\u041d\u041e-\u041c\u0415\u0422\u041e\u0414\u0418\u0427\u0415\u0421\u041a\u0418 \u0421\u0422\u0410\u0422\u0418\u0418<\/strong><br \/> 10 \u2013 18: Computer Discovered Mathematics: Constructions of Malfatti Squares [\u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430, \u043e\u0442\u043a\u0440\u0438\u0442\u0430 \u043e\u0442 \u043a\u043e\u043c\u043f\u044e\u0442\u0440\u0438: \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438 \u043d\u0430 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0442\u0435 \u043d\u0430 \u041c\u0430\u043b\u0444\u0430\u0442\u0438] \/ Sava Grozdev, Hiroshi Okumura, Deko Dekov<br \/> 19 \u2013 48: \u0414\u0438\u0430\u0433\u043e\u043d\u0430\u043b\u043d\u0438 \u0442\u043e\u0447\u043a\u043e\u0432\u0438 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438. \u043f\u0440\u0430\u0432\u0438\u043b\u043e \u043d\u0430 \u0442\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u043a\u0430. \u0438\u043d\u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0438 [Diagonal Configurations of Points. Triangle Rule. Invariants] \/ \u0417\u0434\u0440\u0430\u0432\u043a\u043e \u041b\u0430\u043b\u0447\u0435\u0432, \u0418\u0440\u0438\u043d\u0430 \u0412\u0443\u0442\u043e\u0432\u0430 \/ Zdravko Lalchev, Irina Voutova<br \/> 49 \u2013 59: \u041e\u0441\u044a\u0449\u0435\u0441\u0442\u0432\u044f\u0432\u0430\u043d\u0435 \u043d\u0430 \u0432\u044a\u0442\u0440\u0435\u0448\u043d\u043e\u043f\u0440\u0435\u0434\u043c\u0435\u0442\u043d\u0438 \u0432\u0440\u044a\u0437\u043a\u0438 \u0432 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0435\u0442\u043e \u043f\u043e \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 \u2013 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u043d\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438 \u043f\u0440\u043e\u0433\u0440\u0435\u0441\u0438\u0438 [Realization of Interdisciplinary Connections in Mathematics Training \u2013 Trigonometric Functions and Progressions] \/ \u0417\u0430\u0440\u0430 \u0414\u0430\u043d\u0430\u0438\u043b\u043e\u0432\u0430-\u0421\u0442\u043e\u0439\u043d\u043e\u0432\u0430, \u041f\u0435\u0442\u044a\u0440 \u0414\u0430\u043d\u0447\u0435\u0432 \/ Zara Danailova-Stoynova, Peter Danchev<br \/>113 \u2013 124: A Possibility to Teach and Learn Mathematics by Theatre Technology \/ Sava Grozdev, Veselin Nenkov<br \/>125 \u2013 143: \u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0438 \u0432 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u043d\u0438 \u0441\u0440\u0435\u0434\u0438 [Mathematical Projects in Dynamic Environment] \/ \u0410\u043d\u0433\u0435\u043b \u0413\u0443\u0448\u0435\u0432 \/ Angel Gushev<br \/>144 \u2013 153: \u041f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u043f\u0440\u0438\u043b\u043e\u0436\u043d\u0438 \u0437\u0430\u0434\u0430\u0447\u0438 \u0432 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0435\u0442\u043e \u043f\u043e \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 [Practice-Applicable Problems in Mathematics Education] \/ \u0420\u0443\u043c\u044f\u043d\u0430 \u041d\u0435\u0441\u0442\u043e\u0440\u043e\u0432\u0430 \/ Rumyana Nestorova<br \/>154 \u2013 163: \u0420\u0435\u0448\u0430\u0432\u0430\u043d\u0435 \u043d\u0430 \u043b\u0438\u043d\u0435\u0439\u043d\u0438 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0441 Excel [Solving Linear Equations with Excel] \/ \u041f\u043b\u0430\u043c\u0435\u043d \u041f\u0435\u043d\u0435\u0432 \/ Plamen Penev<br \/>164 \u2013 170: Two Interesting Inequalities for Acute Triangles \/ \u0160efket Arslanagi\u0107, Amar Ba\u0161i\u0107<br \/>171 \u2013 174: Computer Discovered Mathematics: an Alternative Construction of Malfatti Squares \/ Sava Grozdev, Hiroshi Okumura, Deko Dekov<br \/>223 \u2013 231: \u0418\u0437\u043f\u043e\u043b\u0437\u0432\u0430\u043d\u0435 \u043d\u0430 \u043b\u0438\u043d\u0435\u0435\u043d \u0442\u0440\u0435\u043d\u0434 \u043f\u0440\u0438 \u0440\u0435\u0448\u0430\u0432\u0430\u043d\u0435 \u043d\u0430 \u0440\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u043d\u0438 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f [Using a Trendline to Solve Rational Equations] \/ \u041f\u043b\u0430\u043c\u0435\u043d \u041f\u0435\u043d\u0435\u0432 \/ Plamen Penev<br \/>232 \u2013 258: \u0421\u044a\u0437\u0434\u0430\u0432\u0430\u043d\u0435 \u043d\u0430 \u0438\u0433\u0440\u0438 \u0432 \u0447\u0430\u0441\u043e\u0432\u0435\u0442\u0435 \u043f\u043e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0442\u0438\u043a\u0430 \u0447\u0440\u0435\u0437 \u0438\u0437\u043f\u043e\u043b\u0437\u0432\u0430\u043d\u0435 \u043d\u0430 \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u043d\u0430 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u0438 \u0447\u0438\u0441\u043b\u0430 [Creating of Games in the Informatics Classes by Using a Generator of Random Numbers] \/ \u0415\u043c\u0438\u043b\u0438\u044f \u041d\u0438\u043a\u043e\u043b\u043e\u0432\u0430, \u0414\u0430\u043d\u0438\u0435\u043b\u0430 \u0422\u0443\u043f\u0430\u0440\u043e\u0432\u0430 \/ Emilia Nikolova, Daniela Tuparova<br \/>259 \u2013 264: \u041a\u0430\u043a \u043a\u043e\u043c\u043f\u044e\u0442\u044a\u0440\u044a\u0442 \u0440\u0435\u0448\u0430\u0432\u0430 \u0441\u0443\u0434\u043e\u043a\u0443 \u2013 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043c\u043e\u0434\u0435\u043b \u043d\u0430 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u044a\u043c\u0430 [How does the Computer Solve Sudoku \u2013 a Mathematical Model of the Algorithm] \/ \u041a\u0440\u0430\u0441\u0438\u043c\u0438\u0440 \u0419\u043e\u0440\u0434\u0436\u0435\u0432 \/ Krasimir Yordzhev<br \/>327 \u2013 337: \u0417\u0430 \u043f\u0440\u043e\u0441\u0442\u0438\u0442\u0435 \u0447\u0438\u0441\u043b\u0430 [About the Prime Numbers] \/ \u0421\u0430\u0432\u0430 \u0413\u0440\u043e\u0437\u0434\u0435\u0432, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Sava Grozdev, Veselin Nenkov<br \/>338 \u2013 351: \u0418\u043d\u0446\u0435\u043d\u0442\u044a\u0440 \u043d\u0430 \u0447\u0435\u0442\u0438\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u043a [Incenter of a Quadrilateral] \/ \u0421\u0442\u0430\u043d\u0438\u0441\u043b\u0430\u0432 \u0421\u0442\u0435\u0444\u0430\u043d\u043e\u0432 \/ Stanoslav Stefanov<br \/>352 \u2013 359: \u041f\u043e\u043b\u0438\u043d\u043e\u043c\u0438 \u0441 \u043a\u0440\u0430\u0442\u043d\u0438 \u043a\u043e\u0440\u0435\u043d\u0438 \u0432\u044a\u0432 \u0432\u044a\u0440\u0445\u043e\u0432\u0435\u0442\u0435 \u043d\u0430 \u0442\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u043a [Polynomials with Multiple Roots in the Vertices of a Triangle] \/ \u0421\u0430\u0432\u0430 \u0413\u0440\u043e\u0437\u0434\u0435\u0432, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Sava Grozdev, Veselin Nenkov<br \/>423 \u2013 443: \u0418\u0442\u043e\u0433\u0438 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0432\u0442\u043e\u0440\u043e\u0439 \u043c\u0435\u0436\u0434\u0443\u043d\u0430\u0440\u043e\u0434\u043d\u043e\u0439 \u043e\u043b\u0438\u043c\u043f\u0438\u0430\u0434\u044b \u043f\u043e \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u043e\u0439 \u0438 \u0430\u043a\u0442\u0443\u0430\u0440\u043d\u043e\u0439 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0435 \u0441\u0440\u0435\u0434\u0438 \u0448\u043a\u043e\u043b\u044c\u043d\u0438\u043a\u043e\u0432 \u0438 \u0441\u0442\u0443\u0434\u0435\u043d\u0442\u043e\u0432 [Results of the Second International Olympiad in Financial and Actuarial Mathematics for School and University Students] \/ \u0421\u0430\u0432\u0430 \u0413\u0440\u043e\u0437\u0434\u0435\u0432, \u0420\u043e\u0441\u0435\u043d \u041d\u0438\u043a\u043e\u043b\u0430\u0435\u0432, \u041c\u0430\u0440\u0438\u044f \u0428\u0430\u0431\u0430\u043d\u043e\u0432\u0430, \u041b\u0430\u0440\u0438\u0441\u0430 \u0424\u043e\u0440\u043a\u0443\u043d\u043e\u0432\u0430, \u041d\u0438\u043d\u0430 \u041f\u0430\u0442\u0440\u043e\u043d\u043e\u0432\u0430 \/ Sava Grozdev, Rosen Nikolaev, Maria Shabanova, Larisa Forkunova, Nina Patronova<br \/>444 \u2013 454: Learning and Assessment Based on Gamified E-Course in Moodle [\u041e\u0431\u0443\u0447\u0435\u043d\u0438\u0435 \u0438 \u043e\u0446\u0435\u043d\u044f\u0432\u0430\u043d\u0435 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0430\u0442\u0430 \u043d\u0430 \u0438\u0433\u0440\u043e\u0432\u0438\u0437\u0438\u0440\u0430\u043d \u0435-\u043a\u0443\u0440\u0441 \u0432 Moodle] \/ \u041c\u0430\u0440\u0438\u044f \u0413\u0430\u0447\u043a\u043e\u0432\u0430, \u041c\u0430\u0440\u0442\u0438\u043d \u0422\u0430\u043a\u0435\u0432, \u0415\u043b\u0435\u043d\u0430 \u0421\u043e\u043c\u043e\u0432\u0430 \/ Mariya Gachkova, Martin Takev, Elena Somova<br \/>455 \u2013 464: \u041f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u043d\u0438, \u043b\u043e\u0433\u0430\u0440\u0438\u0442\u043c\u0438\u0447\u043d\u0438 \u0438 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u043d\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0432 \u0442\u0440\u0430\u043d\u0441\u0446\u0435\u043d\u0434\u0435\u043d\u0442\u043d\u0438 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f (IV \u0447\u0430\u0441\u0442) [Exponential, Logarithmic and Trigonometric Functions in Transcendental Equations (Part IV)] \/<br \/>\u0414\u0438\u0430\u043d\u0430 \u0421\u0442\u0435\u0444\u0430\u043d\u043e\u0432\u0430 \/ Diana Stefanova<br \/>465 \u2013 480: \u0423\u043b\u0438\u0442\u043a\u0430 \u041f\u0430\u0441\u043a\u0430\u043b\u044f [Pascal\u2019s Limacon] \/ \u0414\u0430\u0440\u044c\u044f \u041a\u043e\u043f\u0442\u0435\u0432\u0430, \u041a\u0441\u0435\u043d\u0438\u044f \u0413\u043e\u0440\u0441\u043a\u0430\u044f \/ Daria Kopteva, \u041aseniya Gorskaya<br \/>535 \u2013 541: \u0413\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u044b Casio \u043a\u0430\u043a \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0444\u0443\u043d\u0434\u0430\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f [Graphing Calculator Casio as a Means of Professionalization of Fundamental Education] \/ \u0410\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u041b\u0443\u043a\u0430\u043d\u043a\u0438\u043d, \u0418\u0440\u0438\u043d\u0430 \u0421\u043b\u043e\u0431\u043e\u0434\u0441\u043a\u0430\u044f \/ Alexandr Lukankin, Irina Slobodskaya<br \/>542 \u2013 552: The Role of Computer Animation in Mathematics Teaching \/ Sergey Larin, Valeriy Mayer<br \/>553 \u2013 565: \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u0430 \u0441\u043e\u0444\u0442\u0443\u0435\u0440\u043d\u043e \u0434\u0435\u0444\u0438\u043d\u0438\u0440\u0430\u043d\u0438\u0442\u0435 \u043c\u0440\u0435\u0436\u0438 \u0441 Floodlight Controller [Management of Software Defined Networks with Floodlight Controller] \/ \u0420\u0443\u043c\u0435\u043d \u0422\u043e\u0434\u043e\u0440\u043e\u0432 \/ Rumen Todorov<br \/>566 \u2013 584: \u201e\u042d\u043d\u0446\u0438\u043a\u043b\u043e\u043f\u0435\u0434\u0438\u044f \u0437\u0430\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u043b\u043e\u0441\u043a\u0438\u0445 \u043a\u0440\u0438\u0432\u044b\u0445\u201c \u2013 \u043c\u0435\u0436\u0434\u0443\u043d\u0430\u0440\u043e\u0434\u043d\u044b\u0439 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 MITE [\u201cEncy\u0441lopedia of Notable Plane Curves\u201d \u2013 an International Network Research Project within the Frames of MITE] \/ \u0420\u043e\u0437\u0430 \u0410\u0442\u0430\u043c\u0443\u0440\u0430\u0442\u043e\u0432\u0430, M\u0438\u0445\u0430\u0438\u043b A\u043b\u0444\u0451\u0440\u043e\u0432, \u041c\u0430\u0440\u0438\u043d\u0430 \u0411\u0435\u043b\u043e\u0440\u0443\u043a\u043e\u0432\u0430, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432, \u0412\u0430\u043b\u0435\u0440\u0438\u0439 \u041c\u0430\u0439\u0435\u0440, \u0413\u0435\u043d\u0430\u0434\u0438\u0439 \u041a\u043b\u0435\u043a\u043e\u0432\u043a\u0438\u043d, \u0420\u0430\u0438\u0441\u0430 \u041e\u0432\u0447\u0438\u043d\u043d\u0438\u043a\u043e\u0432\u0430, \u041c\u0430\u0440\u0438\u044f \u0428\u0430\u0431\u0430\u043d\u043e\u0432\u0430, \u0410\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u042f\u0441\u0442\u0440\u0435\u0431\u043e\u0432 \/ Roza Atamuratova, Mikhail Alferov, Marina Belorukova, Veselin Nenkov, Valeriy Mayer, Gennady Klekovkin, Raisa Ovchinnikova, Maria Shabanova, Alexander Yastrebov<br \/>585 \u2013 595: \u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u0446\u0438\u0440\u0430\u043d\u0435 \u043d\u0430 \u043d\u0430\u0434\u0430\u0440\u0435\u043d\u0438 \u0443\u0447\u0435\u043d\u0438\u0446\u0438 \u043f\u043e \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 \u0447\u0440\u0435\u0437 \u0444\u0435\u043d\u043e\u043c\u0435\u043d\u0438\u0442\u0435 \u043d\u0430 \u0416\u0430\u043d \u041f\u0438\u0430\u0436\u0435 [Identification of Gifted Students in Mathematics by Jean Piaget\u2019s Phenomena] \/ \u041c\u0438\u043b\u0435\u043d \u0417\u0430\u043c\u0444\u0438\u0440\u043e\u0432 \/ Milen Zamfirov<\/p>\n<p><strong> EDUCATIONAL TECHNOLOGIES \/ \u041e\u0411\u0420\u0410\u0417\u041e\u0412\u0410\u0422\u0415\u041b\u041d\u0418 \u0422\u0415\u0425\u041d\u041e\u041b\u041e\u0413\u0418\u0418<\/strong><br \/>60 \u2013 72: \u0420\u0430\u0432\u043d\u043e\u043b\u0438\u0446\u0435\u0432\u0438 \u0442\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u0446\u0438, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438 \u043e\u0442 \u0434\u0432\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u0443\u0432\u0430\u043d\u0438\u044f \u0432 \u0440\u0430\u0432\u043d\u0438\u043d\u0430\u0442\u0430 \u043d\u0430 \u0442\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u043a [Triangles with Equal Areas, Generated by Two Transformations in the Triangle Plane] \/ \u0418\u0432\u0430\u043d \u0421\u0442\u0435\u0444\u0430\u043d\u043e\u0432, \u0414\u0435\u044f\u043d \u0414\u0438\u043c\u0438\u0442\u0440\u043e\u0432, \u0411\u043e\u0440\u0438\u0441\u043b\u0430\u0432 \u0411\u043e\u0440\u0438\u0441\u043e\u0432 \/ Ivan Stefanov, Deyan Dimitrov, Borislav borisov<br \/>73 \u2013 82: \u0412\u0440\u044a\u0437\u043a\u0438 \u043c\u0435\u0436\u0434\u0443 \u0437\u0430\u0431\u0435\u043b\u0435\u0436\u0438\u0442\u0435\u043b\u043d\u0438 \u0442\u043e\u0447\u043a\u0438 \u0432 \u0447\u0435\u0442\u0438\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u043a\u0430 [Connections among Notable Points in the Quadrilateral] \/ \u0421\u0442\u0430\u043d\u0438\u0441\u043b\u0430\u0432 \u0421\u0442\u0435\u0444\u0430\u043d\u043e\u0432, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Stanislav Stefanov, Veselin Nenkov<br \/>83 \u2013 93: \u0422\u0440\u043e\u0439\u043a\u0438 \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u043d\u0438 \u043a\u043e\u043d\u0438\u0447\u043d\u0438 \u0441\u0435\u0447\u0435\u043d\u0438\u044f \u043f\u0440\u0435\u0437 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u0430 \u0442\u043e\u0447\u043a\u0430 \u0432\u044a\u0440\u0445\u0443 \u043a\u043e\u043d\u0438\u0447\u043d\u043e \u0441\u0435\u0447\u0435\u043d\u0438\u0435 [Central Conic Triplets through a Fixed Point on a Fixed Conic] \/ <br \/>\u0421\u0430\u0432\u0430 \u0413\u0440\u043e\u0437\u0434\u0435\u0432, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Sava Grozdev, Veselin Nenkov<br \/>175 \u2013 189: \u041f\u0435\u0440\u0444\u0435\u043a\u0442\u043d\u0430 \u0438\u0437\u043e\u0433\u043e\u043d\u0430\u043b\u043d\u043e\u0441\u0442 \u0432 \u0447\u0435\u0442\u0438\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u043a [Perfect Isogonality in Quadrilateral] \/ \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432, \u0421\u0442\u0430\u043d\u0438\u0441\u043b\u0430\u0432 \u0421\u0442\u0435\u0444\u0430\u043d\u043e\u0432, \u0425\u0430\u0438\u043c \u0425\u0430\u0438\u043c\u043e\u0432 \/ Veselin Nenkov, Stanislav Stefanov, Haim Haimov<br \/>190 \u2013 199: \u0414\u0432\u0435 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0432 \u0440\u0430\u0432\u043d\u0438\u043d\u0430\u0442\u0430 \u043d\u0430 \u0447\u0435\u0442\u0438\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u043a \u0438 \u0442\u044f\u0445\u043d\u043e\u0442\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 [Two Transformations in the Plane of a Triangle and Their Application] \/ \u0414\u0438\u043c\u0438\u0442\u044a\u0440 \u041e\u043f\u0430\u0440\u043b\u0430\u043a\u043e\u0432 \/ Dimitar Oparlakov<br \/>200 \u2013 205: \u041d\u044f\u043a\u043e\u0438 \u0442\u0438\u043f\u043e\u0432\u0435 \u0437\u0430\u0434\u0430\u0447\u0438 \u0441\u044a\u0441 \u0441\u0438\u043c\u0435\u0442\u0440\u0438\u0447\u043d\u0438 \u0447\u0438\u0441\u043b\u0430 [Some Types of Problems with Symmetric Numbers] \/ \u0420\u043e\u0441\u0435\u043d \u041d\u0438\u043a\u043e\u043b\u0430\u0435\u0432, \u0422\u0430\u043d\u043a\u0430 \u041c\u0438\u043b\u043a\u043e\u0432\u0430, \u0420\u0430\u0434\u0430\u043d \u041c\u0438\u0440\u044f\u043d\u043e\u0432 \/ Rosen Nikolaev, Tanka Milkova, Radan Miryanov<br \/>265 \u2013 276: \u041f\u043e\u0441\u0442\u0438\u0433\u0430\u043d\u0435 \u043d\u0430 \u0442\u0432\u043e\u0440\u0447\u0435\u0441\u043a\u0438 \u0446\u0435\u043b\u0438 \u0432 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0435\u0442\u043e \u043f\u043e \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 \u0432 VI \u043a\u043b\u0430\u0441, \u0440\u0430\u0437\u0434\u0435\u043b \u201e\u0421\u0442\u0435\u043f\u0435\u043d\u0443\u0432\u0430\u043d\u0435\u201c [Achieving Creative Goals in Mathematics Education in 6. Grade Section \u201cExponents\u201d] \/ \u0421\u0435\u0432\u0434\u0430\u043b\u0438\u043d\u0430 \u0413\u0435\u043e\u0440\u0433\u0438\u0435\u0432\u0430 \/ Sevdalina Georgieva<br \/>277 \u2013 282: \u041f\u043e\u043b\u0438\u043d\u043e\u043c\u0438 \u043e\u0442 \u0442\u0440\u0435\u0442\u0430 \u0441\u0442\u0435\u043f\u0435\u043d \u0441 \u043a\u043e\u043b\u0438\u043d\u0435\u0430\u0440\u043d\u0438 \u043a\u043e\u0440\u0435\u043d\u0438 [Polynomials of Third Degree with Collinear Roots] \/ \u0421\u0430\u0432\u0430 \u0413\u0440\u043e\u0437\u0434\u0435\u0432, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Sava Grozdev, Veselin Nenkov<br \/>283 \u2013 293: \u041f\u043e\u043b\u0438\u043d\u043e\u043c\u0438 \u043e\u0442 \u0447\u0435\u0442\u0432\u044a\u0440\u0442\u0430 \u0441\u0442\u0435\u043f\u0435\u043d \u0441 \u043a\u043e\u0440\u0435\u043d\u0438 \u0432\u044a\u0432 \u0432\u044a\u0440\u0445\u043e\u0432\u0435\u0442\u0435 \u043d\u0430 \u0443\u0441\u043f\u043e\u0440\u0435\u0434\u043d\u0438\u043a [Polynomials of Fourth Degree with Roots in the Vertices of a Parallelogram] \/ \u0421\u0430\u0432\u0430 \u0413\u0440\u043e\u0437\u0434\u0435\u0432, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Sava Grozdev, Veselin Nenkov<br \/>294 \u2013 298: \u0427\u0435\u0442\u0438\u0440\u0438\u0434\u0435\u0441\u0435\u0442 \u0438 \u043f\u0435\u0442\u0430 \u043d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u043d\u0430 \u0441\u0442\u0443\u0434\u0435\u043d\u0442\u0441\u043a\u0430 \u043e\u043b\u0438\u043c\u043f\u0438\u0430\u0434\u0430 \u043f\u043e \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 [Forty Fifth National Olympiad in Mathematics for University Students] \/ \u0421\u0430\u0432\u0430 \u0413\u0440\u043e\u0437\u0434\u0435\u0432, \u0420\u043e\u0441\u0435\u043d \u041d\u0438\u043a\u043e\u043b\u0430\u0435\u0432, \u0421\u0442\u0430\u043d\u0438\u0441\u043b\u0430\u0432\u0430 \u0421\u0442\u043e\u0438\u043b\u043e\u0432\u0430, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Sava Grozdev, Rosen Nikolaev, Stanislava Stoilova, Veselin Nenkov<br \/>299 \u2013 301: Two New Phd Dissertations in Methodology of Informatics Teaching \/ Petya Asenova<br \/>360 \u2013 367: \u042d\u043f\u0438\u0446\u0438\u043a\u043b\u043e\u0438\u0434\u0430 [Epicycloid] \/ \u0418\u043d\u043a\u0430\u0440 \u0410\u0441\u043a\u0430\u0440, \u041a\u0430\u043c\u0438\u043b\u0430 \u0421\u0430\u0440\u0441\u0435\u043c\u0431\u0430\u0435\u0432\u0430 \/ Inkar Askar, Kamila Sarsenbayeva<br \/>368 \u2013 377 \u0413\u0438\u043f\u043e\u0446\u0438\u043a\u043b\u043e\u0438\u0434\u0430 [Hypocycloid] \/ \u0411\u043e\u0440\u0438\u0441\u043b\u0430\u0432 \u0411\u043e\u0440\u0438\u0441\u043e\u0432, \u0414\u0435\u044f\u043d \u0414\u0438\u043c\u0438\u0442\u0440\u043e\u0432, \u0418\u0432\u0430\u043d \u0421\u0442\u0435\u0444\u0430\u043d\u043e\u0432, \u041d\u0438\u043a\u043e\u043b\u0430\u0439 \u041d\u0438\u043d\u043e\u0432, \u0422\u0435\u043e\u0434\u043e\u0440 \u0425\u0440\u0438\u0441\u0442\u043e\u0432 \/<br \/>Borislav Borisov, Deyan Dimitrov, Ivan Stefanov, Nikolay Ninov, Teodor Hristov<br \/>378 \u2013 395: \u041c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0430 \u043e\u0442 \u0442\u043e\u0447\u043a\u0438, \u043f\u043e\u0440\u043e\u0434\u0435\u043d\u0438 \u043e\u0442 \u0434\u0432\u043e\u0439\u043a\u0438 \u0440\u0430\u0432\u043d\u043e\u0431\u0435\u0434\u0440\u0435\u043d\u0438 \u0442\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u0446\u0438 \u0441\u044a\u0441 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u043d\u043e \u0440\u0430\u0437\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0438\u0442\u0435 [Sets of Points, Generated by a Pair of Isosceles Triangles with a Special Location of Their Bases] \/ \u0421\u0430\u0432\u0430 \u0413\u0440\u043e\u0437\u0434\u0435\u0432, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Sava Grozdev, Veselin Nenkov<br \/>396 \u2013 402: \u0427\u0435\u0442\u0438\u0440\u0438 \u043d\u043e\u0432\u0438 \u0434\u043e\u043a\u0442\u043e\u0440\u0441\u043a\u0438 \u0434\u0438\u0441\u0435\u0440\u0442\u0430\u0446\u0438\u0438 \u043f\u043e \u043c\u0435\u0442\u043e\u0434\u0438\u043a\u0430 \u043d\u0430 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0435\u0442\u043e \u043f\u043e \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 \u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0442\u0438\u043a\u0430 [Four New Phd Dissertations In Methodology of Mathematics and Informatics Teaching] \/ \u0421\u0430\u0432\u0430 \u0413\u0440\u043e\u0437\u0434\u0435\u0432, \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Sava Grozdev, Veselin Nenkov<br \/>481 \u2013 497: \u041a\u043e\u043d\u0441\u0442\u0440\u0443\u0438\u0440\u0430\u043d\u0435 \u043d\u0430 \u0435\u0434\u0438\u043d \u0432\u0438\u0434 \u0430\u043b\u0433\u0435\u0431\u0440\u0438\u0447\u043d\u0438 \u043a\u0440\u0438\u0432\u0438 \u0432 \u0440\u0430\u0432\u043d\u0438\u043d\u0430\u0442\u0430 \u043d\u0430 \u0442\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u043a [Construction of a Type of Algebraic Curves in the Plane of a Triangle] \/ \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Veselin Nenkov<br \/>498 \u2013 505: \u041f\u043e\u043b\u0438\u043d\u043e\u043c\u0438 \u0441 \u043a\u043e\u0440\u0435\u043d\u0438 \u0432 \u0442\u0440\u0438 \u043a\u043e\u043b\u0438\u043d\u0435\u0430\u0440\u043d\u0438 \u0442\u043e\u0447\u043a\u0438 [Polynomials with Roots in Three Collinear Points] \/ \u0412\u0435\u0441\u0435\u043b\u0438\u043d \u041d\u0435\u043d\u043a\u043e\u0432 \/ Veselin Nenkov<br \/>506 \u2013 517: \u041a\u043e\u043c\u0431\u0438\u043d\u0430\u0442\u043e\u0440\u043d\u0438 \u0437\u0430\u0434\u0430\u0447\u0438, \u0441\u0432\u044a\u0440\u0437\u0430\u043d\u0438 \u0441 \u0442\u0440\u0438\u044a\u0433\u044a\u043b\u043d\u0438\u043a [Combinatorial Problems Related to Triangles] \/ \u0420\u043e\u0441\u0435\u043d \u041d\u0438\u043a\u043e\u043b\u0430\u0435\u0432, \u0422\u0430\u043d\u043a\u0430 \u041c\u0438\u043b\u043a\u043e\u0432\u0430, \u041a\u0430\u0442\u044f \u0427\u0430\u043b\u044a\u043a\u043e\u0432\u0430 \/ Rosen Nikolaev, Tanka Milkova, Katya Chalakova<br \/>596 \u2013 602: A New Meaning of the Notion \u201cExpansion of a Number\u201d \/ Rosen Nikolaev, Tanka Milkova, Radan Miryanov<br \/>603 \u2013 613: \u0415\u0444\u0435\u043a\u0442\u044a\u0442 \u043e\u0442 \u043f\u0440\u0438\u043b\u0430\u0433\u0430\u043d\u0435\u0442\u043e \u043d\u0430 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e \u043b\u0438\u0447\u043d\u043e\u0441\u0442\u043d\u043e \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u0430\u043d\u043e \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0435 \u043f\u043e \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 \u0432\u044a\u0440\u0445\u0443 \u0443\u0441\u043f\u0435\u0445\u0430 \u043d\u0430 \u0443\u0447\u0435\u043d\u0438\u0446\u0438\u0442\u0435 \u043f\u0440\u0438 \u0437\u0430\u0432\u044a\u0440\u0448\u0432\u0430\u043d\u0435 \u043d\u0430 \u043f\u0440\u043e\u0433\u0438\u043c\u043d\u0430\u0437\u0438\u0430\u043b\u043d\u0430 \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u043d\u0430 \u0441\u0442\u0435\u043f\u0435\u043d \u0438 \u041d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u043d\u043e \u0432\u044a\u043d\u0448\u043d\u043e \u043e\u0446\u0435\u043d\u044f\u0432\u0430\u043d\u0435 [The Effect of the Application of Interactive Personality-Oriented Training in Mathematics on the Success of Pupils at Completion of Lower Gymnasia Education Degree and National External Evaluation] \/ \u0414\u043e\u0431\u0440\u0438\u043d\u0430 \u0412\u0435\u043b\u0438\u043d\u043e\u0432\u0430, \u0418\u0432\u0435\u043b\u0438\u043d\u0430 \u0428\u0443\u043c\u0430\u043a\u043e\u0432\u0430 \/ Dobrina Velinova, Ivelina Shumakova<\/p>","protected":false},"excerpt":{"rendered":"<p>ANNUAL CONTENTS\/\u0413\u041e\u0414\u0418\u0428\u041d\u041e \u0421\u042a\u0414\u042a\u0420\u0416\u0410\u041d\u0418\u0415 \u041c\u0410\u0422\u0415\u041c\u0410\u0422\u0418\u041a\u0410 \u0418 \u0418\u041d\u0424\u041e\u0420\u041c\u0410\u0422\u0418\u041a\u0410\u041d\u0430\u0443\u0447\u043d\u043e \u0441\u043f\u0438\u0441\u0430\u043d\u0438\u0435, \u0413\u043e\u0434\u0438\u043d\u0430 LXI, 2018 MATHEMATICS AND INFORMATICSJournal of Educational Research and Practice; Volume 61, 2018 PAGES \/ \u0421\u0422\u0420\u0410\u041d\u0418\u0426\u0418Number 1 \/ \u041a\u043d\u0438\u0436\u043a\u0430 1: 1 \u2013 104Number 2 \/ \u041a\u043d\u0438\u0436\u043a\u0430 2: 105 \u2013 216Number 3 \/ \u041a\u043d\u0438\u0436\u043a\u0430 3: 217 \u2013 320Number 4 \/ \u041a\u043d\u0438\u0436\u043a\u0430 4: 321 \u2013 416Number 5 \/ \u041a\u043d\u0438\u0436\u043a\u0430 [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"format":"standard"},"jnews_primary_category":[]},"categories":[3614],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0413\u043e\u0434\u0438\u0448\u043d\u043e \u0441\u044a\u0434\u044a\u0440\u0436\u0430\u043d\u0438\u0435 \u043d\u0430 \u0441\u043f. \u201e\u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430 \u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0442\u0438\u043a\u0430\u201c, 2018 \u0433. - \u0410\u0437-\u0431\u0443\u043a\u0438<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/history.azbuki.bg\/matematics\/matharticles2016-3\/2018-6\/\" 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