000 00255nam a2200097 4500
080 _a51
_bCUT.60
245 _aTrachtenberg Speed System of Basic Mathematics.
700 _aCutler,Ann & McSshane,R.TR.
260 _aNew Delhi
_bRupa & Co.
_c1960
300 _a270
020 _a0-285-62916-6
999 _c37444
_d37444