000 00816cam a22002533a 4500
001 16527
003 PGUSA
005 20140828083343.0
008 050814s2005||||xxu|||||s|||||000 | eng d
040 _aPGUSA
_beng
042 _adc
050 4 _aQA
100 1 _aRachinskii, Sergei Aleksandrovich,
_d1836-1902
245 1 0 _a1001 задача для умственного счета
_h[electronic resource] /
_cSergei Aleksandrovich Rachinskii
260 _bProject Gutenberg,
_c2005
506 _aPublic domain in the USA.
516 _aElectronic text
653 _aWord problems (Mathematics)
653 _aMathematics -- Problems, exercises, etc.
740 0 _a1001 tasks for mental calculation
830 0 _aProject Gutenberg
_v16527
856 4 0 _uhttp://www.gutenberg.org/ebooks/16527
942 _cEB
999 _c245782
_d245782