| 000 | 00535nam a22001577a 4500 | ||
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| 005 | 2009101209359.0 | ||
| 008 | 091012t xxu||||| |||| 00| 0 eng d | ||
| 022 | _a00255769 | ||
| 100 | _aOTTEN, Samuel | ||
| 245 |
_aProof in algebra _breasoning beyond examples |
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| 260 |
_aReston _bThe national council of teachers of mathematics _c2010 |
||
| 300 | _ap.514-518 | ||
| 440 |
_aMathematics teacher:parabolas under pressure _vVol.103 _nNo.7 |
||
| 942 |
_2lcc _cART |
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| 999 |
_c135847 _d135807 |
||