000 00458nam a2200157Ia 4500
008 161214s9999 xx 000 0 und d
020 _a0471467316
_c(pbk)
082 _223
_a513.9
_bHAN
100 _aHandley, Bill
245 0 _aSpeed mathematics : secrets skills for quick calculation
260 _aNew Jersey:
_bJohn Wiley & Sons,
_c2003
300 _axiii, 256 p.;
_bill.:
_c23 cm.
650 _aMathematics
650 _aMental arithmetic
942 _2ddc
_cBK
999 _c2676
_d2676