Gloria Hills

September 10, 2010

24 Engel Raphael Schutzengel im Display

Filed under: Engel — Tags: , , — emoiphone @ 1:18 am

24 Engel Raphael Schutzengel im Display Engel Figuren: Engel Raphael Hier kaufen Sie 24 Stück Raphael Schutzengel in Geschenktüte.

2 verschiedene Motive je 12 mal.

Die 24 Engel sind jeweils ca. 4 cm breit und 2 cm hoch, aus Polystein, und kommen in einem dekorativen Display. Sie sind einzeln in kleinen Engel – Tüten mit Aufdruck ” Dein Schutzengel ” verpackt. 24 Engel Raphael Schutzengel im Display

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August 27, 2010

Problem-Solving Strategies (Problem Books in Mathematics)

Filed under: Engel — Tags: , , , — emoiphone @ 9:13 pm

Problem-Solving Strategies (Problem Books in Mathematics) Great Resource for the Mathematical Olympiad – Enrique Trevino – Cd. Juarez, Mexico
The main reason I like this book is because of the many wonderful problems it has. It is well organized and has solutions to all the problems, so it is excellent to train oneself for mathematics competitions.
One thing it lacks, in my opinion, is more worked out examples to illustrate the techniques. It lacks the basics, as it doesn’t teach how to think about problems in general, giving good ideas to solve problems in general, such as “do simple cases”, “work backwards”, “go for a contradiction”.
Great resource.
: PROBLEM SOLVING STRATEGIES is a unique collection of competition problems from over twenty major national and international mathematical competitions for high school students. The discussion of problem solving strategies is extensive. It is written for trainers and participants of contests of all levels up to the highest level: IMO, Tournament of the Towns, and the noncalculus parts of the Putnam Competition. It will appeal to high school teachers conducting a mathematics club who need a range of simple to complex problems and to those instructors wishing to pose a “problem of the week”, “problem of the month”, and “research problem of the year” to their students, thus bringing a creative atmosphere into their classrooms with continuous discussions of mathematical problems. This volume is a must-have for instructors wishing to enrich their teaching with some interesting non-routine problems and for individuals who are just interested in solving difficult and challenging problems. Each chapter starts with typical examples illustrating the central concepts and is followed by a number of carefully selected problems and their solutions. Most of the solutions are complete, but some merely point to the road leading to the final solution. Very few problems have no solutions. Readers interested in increasing the effectiveness of the book can do so by working on the examples in addition to the problems thereby increasing the number of problems to over 1300. In addition to being a valuable resource of mathematical problems and solution strategies, this volume is the most complete training book on the market.
Problem-Solving Strategies (Problem Books in Mathematics)

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