Desafíos matemáticos

Sesenta autores, desde catedráticos de universidad hasta estudiantes de Secundaria y Bachillerato, nos presentan los cuarenta desafíos que la Real Sociedad Matemática Española propuso con motivo de su centenario.Son cuarenta estimulantes retos que avivan el ingenio. Enfrentándose a ellos, el lector se sentirá un auténtico investigador matemático.Pero no hay que asustarse. No es necesario saber muchas matemáticas. La herramienta esencial para resolver los desafíos es pensar ordenadamente.

This book introduces the former Duke University basketball star, Grant Hill, who now plays for the Detroit Pistons.

Did you know that pigs are some of the smartest animals on Earth? Pigs keep themselves very clean. Discover more about these farm animals in My Pig.

Desde que somos tijera y papel es la discción de un corazón. En cada página están cicatrices, cada uno de los plieges de este libro son historias, paalbaras que golpearan tu pericardio, acelerarán tu ritmo cardíaco y te harán sentir viv@ y seguir adelante, tras aprender de tus heridas, porque quien te quiera, te amará con tus cicatrices.

HIGH-INTEREST, LOW-LEVEL: Reluctant readers will be engaged from beginning to end as they explore the responsibilities and skills of the catcher in this 32-page nonfiction book. Side-by-side English and Spanish text and vivid, exciting photos show readers what it takes to fill this key position in baseball and softball. SPORTS BOOK FOR KIDS: Catchers squat and they throw. They often call the shots. But most importantly, they catch the ball! From catching fastballs to throwing out base runners, learn why catchers have the toughest job in baseball and softball. INCLUDES: Readers will be hooked...