(NmETODIKA PREPODAWANIQ ARIFMETIKI (B:s (NdLQ U^ITELEJ NA^ALXNOJ [KOLY I STUDENTOW PEDTEHNIKUMOW (B/s - (NkAWUN(B, (Ni(B.(Nn(B.s; (NpOPOWA(B, (Nn(B.(Ns(B.s; (NgOSUDARSTWENNYJ PEDAGOGI^ESKIJ INSTITUT IM(B. (NgERCENAs ((NmOSKWA (B;s (NlENINGRAD (B:s (Nu^PEDGIZ(B,s, 1934)
Keywords: (NaRIFMETIKAs