It seems like massaging techniques have been used since forever, and probably even the first people on Earth enjoyed it. A good massage is considered to be the ultimate relaxation technique because…
Functions values and eceptions as shown in class wall website ideas big also
¡Calcular mentalmente el cuadrado de un número terminado en 5! (Imagen incluída en la entrada sobre este truco, donde se explica también por qué funciona:… - Amadeo Artacho: Google+
