00552nam a2200169 4500 9415 9415 9780486409177 0486409171 510 A952 1980 Averbach, Bonnie 21496 Problem solving through recreational mathematics / Bonnie Averbach and Orin Chein. Mineola : Dover Publications, Inc., c1980. xvi, 458 p. : some col. ill. ; tabs and figs. ; 24 cm. Includes index. Mathematics Problem solving. 21497 Chein, Orin 21498 BK 0 0 0 0 NFIC HS-IMC HS-IMC CIR 2010-03-10 Purchased 895.00 1 510 A952 1980 21725 2024-10-03 11:15:34 2024-09-30 2019-08-19 CIR