000 00322nam a2200133 a 4500
005 20140414093835.0
008 030611s19uu xx 00 eng d
050 _aCDR 513.26
_bFRA 1997
245 _aFractions.
650 _aFractions
_xInteractive videos.
650 _aMathematics.
942 _cAVM
999 _c108981
_d108981