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| 005 | 20140821081159.0 | ||
| 008 | 720107r19611960ohua b 000 0 eng | ||
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| 040 |
_aDLC _cDLC _dDLC _dBD-DhUL |
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| 050 | 0 | 0 |
_aQA135.5 _b.O755 |
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_a510 _bOSE |
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| 100 | 1 | _aOsborn, Roger. | |
| 245 | 1 | 0 |
_aExtending mathematics understanding _c[by] Roger Osborn [and others] |
| 260 |
_aColumbus, Ohio : _bC. E. Merrill Books , _c1961. |
||
| 300 |
_aviii, 310 p. : _bill. ; _c24 cm. |
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| 500 | _aEarlier ed. copyright 1960 under the titles Toward improved understanding of mathematics, part I and Toward improved understanding of mathematics, part II, by M. V. DeVault, published in 1960. | ||
| 500 | _aRevised in 1969, published separately in two volumes under the titles Understanding the number system and Extending understandings of mathematics. | ||
| 504 | _aBibliography: p. 264-271. | ||
| 650 | 0 |
_aMathematics _xStudy and teaching (Elementary) |
|
| 700 | 1 |
_aDeVault, M. Vere. _tToward improved understanding of mathematics. |
|
| 906 |
_a7 _bcbc _corignew _du _eocip _f19 _gy-gencatlg |
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| 942 |
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_c4510 _d4510 |
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