00693nam0-22002531i-450-99000119891040332120051011091308.0000119891FED01000119891(Aleph)000119891FED0100011989120001205d????----km-y0itay50------baengOral arithmeticby Wentworth and Smith.s.l.Ginn & Companys.d.Wentworth,George Albert<1825-1906>349240Smith,David EugeneITUNINARICAUNIMARCBK990001198910403321206-G-604040MA1MA1Oral arithmetic341841UNINA