00269nam a22001097a 4500003000400000008004100004082001400045100003300059245002100092260003800113300000800151OSt230920b        |||||||| |||| 00| 0 eng d  a511bC20Q  aCarman, R. A. & Carman M. J.  aQuick Arithmetic  aNew YorkbJohn Wiley & Sonsc1974  a579