Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This book contains 72 exercises to master the mathematics of the first quarter in the middle course of the second year. It allows parents to follow their children, despite the socio-economic and professional context in which time is lacking. It allows parents to appreciate the efforts of teachers and tutors. It is a real instrument of academic success serving children.