lunes, 9 de marzo de 2009

BubbleShare: Share photos - Play some Online Games.

Big Ben at 6 p.m.

Clik the flag to enter the english aplicattion

domingo, 8 de marzo de 2009

Maths question

Using the calculator avobe, search the volume diference between two spheres of 100 and 120 cm of diameter.

Express the result in cubic meters.