Flansburg Scott,

Math Magic : the human calculator shows how to master everyday math problems in seconds / Scott Flansburg. - 350 p. : cuadros, tablas, diagrámas ; 21 centímetros CD-ROM

The basics. -Parts of numbers. -Handy things to know. -Math in real life. -The next step.



0060976195


Matemáticas--Estudio y enseñanza.

510.07 / F61