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_a512.13 _bS211a |
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_aSánchez, Darío _942802 |
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_aAlgebra y trigonometría/ _cDarío Sánchez |
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_aBogotá: _bUniversidad Nacional, |
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| 300 | 4 | _a352 p.; il.,grafs. | |
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_aAlgebra _92163 |
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_aTrigonometría _980 |
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_aMuñoz, José, _942803 |
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_2ddc _cBK |
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