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s1967 s1967 mx ||||| spa |
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|a 9682400937
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|a 129474
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|a Sistema de Bibliotecas de Universidad de Costa Rica
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|a spa
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|a 511.1
|b N277se
|2 00
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|a National Council of Teachers of Mathematics
|e Autor/a
|4 aut
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| 245 |
1 |
3 |
|a El sistema de los enteros /
|c National Council of Teachers of Mathematics. --
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| 260 |
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|a México :
|b Trillas,
|c 1967.
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| 300 |
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|a 80 páginas :
|b ilustraciones ;
|c 23 cm.--
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| 490 |
0 |
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|a Colección temas de matemáticas
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| 500 |
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|a Reimpresiones: 1970, 1986, 1987.
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| 500 |
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|a Titulo original: Topics mathematics for elementary school teachers Booklet number 3 Numeration systems for the whole numbers.
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| 650 |
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|a NUMEROS ENTEROS
|2 CC
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| 949 |
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|a -YV. b SR.
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| 916 |
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|a Registros del LS-2000
|