Libros de Allen R. Angel (2 libros)

El objetivo principal del autor al escribir este libro es ofrecer una obra que los estudiantes disfruten al leer.

The principal objective of the author when writing this book is to offer a book that the students will enjoy to read, at the same time learning concepts of algebra, for which brief sentences, clear explanations and lots of examples full of details are used. Various changes are included in this sixth edition: the topic of addition and subtraction of fractions has been improved, the introduction of solving equations with fractions, and they have added new examples and exercises.