00703nam a22002417a 4500 GCWUF 20180419052141.0 180419b xxu||||| |||| 00| 0 eng d 0669900508 MAIN 513 DIL Dilley, Clyde A Heath elementary mathematics Dilley, Clyde A Toronto : D.C. Health and Company, 1975. 348 p. : ill ; 25 cm. H.B. Include Index Mathematics--Study and teaching (Elementary) Arithmetic--Study and teaching (Elementary) Arithmetic Mathematics Mathematics--Study and teaching ddc BK 4855 4855 0 0 ddc 0 0 NFIC MAIN MAIN GEN 2018-04-19 Donation 0 513 DIL D0000163 2018-04-19 00:00:00 2018-04-19 BK