Elementary Mathematics ( Selected Topics And Problem Solving) by G. Dorofeev; M. Potapov; N. Rozov

 

Elementary Mathematics ( Selected Topics And Problem Solving) by G. Dorofeev; M. Potapov; N. Rozov 

It must be emphasized that this book is not an ordinary textbook but one in which certain carefully selected topics of theory and an abundant amount of problem solving will enable the student to expand and deepen his knowledge of the school course of elementary mathematics and enable him better to begin the study of higher mathematics in higher educational institutions. The topics chosen here for detailed discussion are those that usually cause the most trouble or do not, fora variety of reasons, receive the attention they deserve. The most complicated and important parts of elementary mathematics are analyzed and illustrated in detailed problem solving and subsequent discussion. Particular attention is paid to analyzing typical mistakes of the student. Another point to bear in mind is that the authors consider only the more traditional topics of elementary mathematics. They do not use methods of analytic geometry or differential and integral calculus; in geometry, axiomatics is not dwelt on, nor is the terminology of set theory made much use of. This textbook is supplied with a large number of problems in the form of exercises appended to each section. The answers are given at the end of the book. This book is aimed at a broad range of readers, from students of secondary school to students of teachers’ colleges and universities, and mathematics instructors in secondary and higher educational institutions. It can also be used in self-instruction as a supplement to any standard textbook. Translated from the Russian by George Yankovsky.

ORIGINAL LINK: https://archive.org/details/dorofeev-potapov-rozov-elementary-mathematics-selected-topics-and-problem-solving-mir-1982 

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Temas Selectos De Matematicas Elementales by G. Dorofeiev; M. Potapov; N. Rozov

 

Sobre el libro Temas seleccionados sobre matemáticas elementales.

 Cuatro secciones cubren los conceptos básicos de las matemáticas elementales. La primera sección es aritmética y álgebra. La segunda parte cubre la trigonometría, mientras que la tercera parte cubre la geometría básica. La parte final cubre los problemas. Impreso en la URSS 1973 Derechos reservados Publicado por Editorial Mir en 1973.

ORIGINAL LINK:https://archive.org/details/dorofeiev-potapov-rozov-temas-selectos-de-matematics-elementales-mir-1973/mode/2up 

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Problemas seleccionados de física elemental by B.B. Bujovtsev

 

Problemas seleccionados de física elemental by B.B. Bujovtsev 

ORIGINAL LINK: https://archive.org/details/b-b-bujovtsev.-problemas-sleccionados-de-fisica-elemental

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Problemas Seccionados De Fisica Elemental by B .B. Bújovtsev; V. D. Krívchenkov; G. Ya. Miákishev; I. M. Saráeva

 

Problemas Sleccionados De Fisica Elemental by B .B. Bújovtsev; V. D. Krívchenkov; G. Ya. Miákishev; I. M. Saráeva 

 Publication date 1979 

Topics física, problemas en física, física elemental, editores mir, moscú, ciencia, problemas y soluciones, mecánica, electricidad y magnetismo, calor, termodinámica, ondas, óptica física, óptica geométrica Publisher Editorial Mir Collection mir-titles; JaiGyan

 Language Spanish Item Size 143.7M 

 Esta colección de 816 problemas se basa en el libro de texto "Física elemental" editado por el académico GS Landsberg. Por esta razón, el contenido y la naturaleza de los problemas y su disposición se ajustan principalmente a este libro de texto. Sin embargo, no hay una sección dedicada a la "Física atómica", ya que los ejercicios en el libro de Landsberg ilustran el material relevante con suficiente detalle. Algunos problemas sobre este tema se han incluido en otros capítulos. Los problemas, la mayoría de los cuales son únicos, requieren un conocimiento fundamental de las leyes básicas de la física y la capacidad de aplicarlos en las condiciones más diversas. Se han revisado varios problemas del libro a partir de los utilizados en los concursos anuales organizados por la facultad de Física de la Universidad de Moscú. Las soluciones de todos los problemas difíciles se dan con gran detalle. También se dan soluciones para algunos de los más simples. El libro está recomendado para la autoeducación de alumnos de último año de escuelas secundarias y técnicas generales y especiales. Muchos problemas serán útiles para estudiantes de primer y segundo año de escuelas superiores. Traducido al español por Marina Kostrítsina

ORIGINAL LINK WEB:  https://archive.org/details/bujovstev-krivchenkov-miakishev-saraeva-problemas-sleccionados-de-fisica-elemental-mir-1979/page/166/mode/2up

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Klassische Theoretische Physik III WS 2025/26 Prof. Dr. Kirill Melnikov-Ubungen: Dr. Ivan Novikov-Klassische Theoretische Physik III exercises.

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Joven promesa PERUANA que sueña con la NASA gana oro en mundial femenino de matemática-PERU MEDALHA DE OURO na 15ª edição da European Girls' Mathematical Olympiad (EGMO 2026)

 

Dhamaris Alarcón Huamaní obtuvo la máxima distinción en la EGMO 2026, en Francia. Con este logro, suma más de 12 medallas internacionales y afianza una destacada trayectoria rumbo a su sueño de estudiar Ingeniería Aeroespacial en el MIT.

A estudante peruana Dhamaris Alarcón, de 16 anos, obteve a medalha de ouro, sendo campeã mundial na competição. Destaques do Peru na EGMO 2026 (França): Dhamaris Alarcón Huamaní: Medalha de Ouro 🥇. Delia Faviana Esteban: Medalha de Bronze 🥉. A competição reuniu participantes de 65 países, com as estudantes peruanas destacando-se entre as melhores do mundo.

Brasil conquista segundo melhor resultado da história na European Girls' Mathematical Olympiad

O Brasil conquistou uma medalha de ouro histórica na 15ª edição da European Girls' Mathematical Olympiad (EGMO 2026), realizada em Bordeaux, na França, entre os dias 9 e 15 de abril de 2026. O grande destaque foi a estudante cearense Julia de Paula Pessoa Leguiza, de 17 anos, que conquistou a única medalha de ouro da equipe brasileira, sendo esta a segunda vez na história que o Brasil atinge o topo do pódio nesta competição. Destaques da Delegação Brasileira na EGMO 2026: Ouro: Julia Leguiza (CE). Prata: Maria Clara Fontes Silva (SE). Bronze: Heloísa Mysczak (SP). Menção Honrosa: Maria Celília Ribeiro Pereira de Melo (PE). Com esse desempenho, o Brasil garantiu a 15ª colocação no ranking geral entre cerca de 60 países, registrando o melhor resultado da América Latina na competição. A equipe foi liderada pela professora Ana Paula de Araújo Chaves, da Universidade Federal de Goiás (UFG).

The Theory Of Electromagnetic Field by K. Polivanov; P Ivanov (translator)

 

The Theory Of Electromagnetic Field by K. Polivanov; P Ivanov (translator) 

The theory of an electromagnetic field is a concluding subject in the curriculum of the theoretical training of electrical engineers. The field theory course usually follows the course in the basic theory of electric circuits. The author covers the basic aspects of the theory of an electromagnetic field within the restricted space so that the text can fit the interest of students and answer the practical engineering needs. The emphasis therefore is on the behavior of fer­ romagnetic bodies in an electromagnetic field and on the processes in real imperfect dielectrics and poor conductors. The text also gives strict definitions of the basic vec­ tors and shows the differences between them. Many of the aspects discussed in the book focus on the problems one has to deal with in electrical engineering practice. This is one of the factors that influenced the organization of the book and the manner of presentation of the material. A similar treatment of the field theory was also given in the book by A. Netushil and K. Polivanov The Theory o f Electromagnetic Field. Theoretical Principles o f Elec­ trical Engineering. Part 3 (Gosenergoizdat, in Russian). No effort has been made to cite a great number of contributors in this area. In the author's opinion, of many valuable texts, the following books will be very helpful to students in the study of the theory of electrical engineering: Analysis and Synthesis o f Electric Circuits (Mir Publishers) by G. Zeveke, P. Ionkin, A. Netushil, and S. Strakhov, The Feynman Lectures on Physics (Addison-Wesley) by R. Feynman, R. Leighton, and M. Sands, Electricity and Magnetism (McGraw-Hill) by E. Purcell that treats the effects of moving bodies in an electromagnetic Field, and Fundamentals o f the Theory o f Elec­ tricity (Mir Publishers) by I. Tamm.

LINK1:  https://archive.org/details/polivanov-the-theory-of-electromagnetic-field-mir-1983/page/206/mode/2up