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| 040 |
_aPSP _cPSP |
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| 090 | _aQA111 H236 2008 | ||
| 100 | 1 | _aHandley, Bill | |
| 245 | 1 | 0 |
_aSpeed mathematics : _bsecrets of lighting mental calculation / _cBill Handley |
| 250 | _a3rd. ed. | ||
| 260 |
_aAustralia : _bWrightbooks, _c2008 |
||
| 300 |
_axi;307p. : _bill.; _c23cm. |
||
| 650 | 0 |
_aMental arithmetic _xStudy and teaching |
|
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_cBK _2lcc |
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