(No RE[ENII ARIFMETI^ESKIH ZADA^(B.s (NpOSOBIE DLQ U^ITELEJ PEDAGOGI^ESKIH U^ILI]s - (N{OR q(B.(Na(B.s ((Nm(B.s (NgOSUDARSTWENNOE U^EBNO(B-(NPEDAGOGI^ESKOE IZDATELXSTWO MINISTERSTWA PROSWE]ENIQ rsfsrs, 1953)
Keywords: 51 (NmATEMATIKAs