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| 003 | MX-SnUAN | ||
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_aspa _heng |
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_aQA248.3 _b.N318 1970 |
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_aNational Council of Teachers of Mathematics. _986025 |
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_aTopics in mathematics for elementary school teachers. _lEspañol |
| 245 | 1 | 0 | _aSugerencias para resolver problemas. |
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_aMéxico _bEditorial Trillas, _c1970 |
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| 300 |
_a83 p : _bilustraciones ; _c23 cm. |
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| 336 |
_atexto _btxt _2rdacontent |
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| 337 |
_ano mediado _bn _2rdamedia |
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| 338 |
_avolumen _bnc _2rdacarrier |
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| 490 | 0 |
_aTemas de Matemáticas; _v17 |
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| 650 | 4 |
_aAritmética _xFundamentos. _9104815 |
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| 650 | 4 |
_aConjuntos _986465 |
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| 942 | _c1 | ||
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_c207890 _d207890 |
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