nam a22 7a 4500 25870 25870 170201b xxu||||| |||| 00| 0 eng d 9781464127656 1464127654 QA 107 .M44 2013 MG 1107 : explorations in mathematics/ New York : Freeman, 2013. xviii, 763[38]p. : ill. (some col.) ; 27 cm. Mahematics lcc BOOKS QA 107 .M44 2013