| 000 | 00347nam a2200133 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 220602b |||||||| |||| 00| 0 eng d | ||
| 082 |
_a513.92 _bTRA |
||
| 245 | _aThe trachtenberg speed system of basic mathematics | ||
| 260 |
_aLondon: _bPan Books, _c1962. |
||
| 300 |
_a255 p.; _c18 cm |
||
| 650 | 0 | _aMathematics | |
| 942 |
_2ddc _cLM |
||
| 999 |
_c142222 _d142222 |
||