00411nam a22001452  4500001001100000005001700011008004100028020001700069040001500086245004800101260003600149300001500185650002800200700003700228000002507020151217160134.0141027s         xx           000 0 eng d  a0021094802 :  aKABUcKABU10aMath in my world /cby Douglas H. Clements.  aNew York :bMcGraw-Hill,c1998.  axi, 596 p. 0aArithmetic.@00001551051 aClements, Douglas H.@0000136304