This is an old version: Visit the new Math Water Table obbliq - Area - Laboratori - Nombres líquids Help File 1: Obbliq and division    Help File 2: Obbliq and division: 3/(1/2); 3/1; 3/2; 3/3; 3/4    Help File 3: Obbliq and conservation of volume a Nummòlt www.nummolt.com/      OBBL Nummòlt Math Toys:      OBBLIQ v.2 © Feb 2005 - Maurici Carbó Jordi