00655nam a22001817a 4500 20230127144847.0 220104b |||||||| |||| 00| 0 eng d 978-0-307-33840-2 DDC English 510.76 B468 2006 Benjamin, Arthur 303 Secrets of mental math : the mathemagician's guide to lightning calculation and amazing math tricks / Arthur Benjamin. New York : Three Rivers Press, c2006. 278 p. ; 21 cm. Includes index. Mental arithmetic - Study and teachings. Magic tricks in mathematics education. 34031 CIR ddc 134 134 0 0 0 0 NFIC HS-IMC HS-IMC CIR 2016-09-14 Purchased 545.00 2 510.76 B468 2006 27651 2024-02-01 12:15:22 2024-01-29 1 545.00 2016-12-16 CIR