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| LEADER |
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20190402032435.0 |
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190331b ||||| |||| 00| 0 eng d |
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|a Sistema de Bibliotecas de la Universidad Nacional de Agricultura
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| 952 |
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|d 3903
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|b 512.7
|2 C468
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| 100 |
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|a National Council of Teachers of Mathematics
|9 7583
|
| 245 |
|
|
|a El sistema de los números racionales /
|c National Council of Teachers of Mathematics
|
| 250 |
|
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|a 1a. ed
|
| 260 |
|
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|a Mexico D.F., Mexico,
|b Trillas,
|c 1970,
|
| 300 |
|
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|a 116 p.
|
| 650 |
|
|
|x NÚMEROS RACIONALES
|x MATEMÁTICAS
|x COMPARACIÓN-NÚMEROS
|9 7587
|
| 942 |
|
|
|2 ddc
|c BK
|