| 000 | 00711nam a22002297a 4500 | ||
|---|---|---|---|
| 999 |
_c72920 _d72920 |
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| 003 | BD-DhPL | ||
| 005 | 20190923005109.0 | ||
| 008 | 190204b ||||| |||| 00| 0 eng d | ||
| 040 |
_aBD-DhPL _bEnglish _cBD-DhPL _dBD-DhPL _eBD-DhPL |
||
| 082 | _a511 / S14u | ||
| 100 |
_a Swain, Robert L. _9216077 |
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| 245 |
_aUnderstanding arithmetic / _cRobert L. Swain. |
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| 260 |
_aLondon : _bHolt, Rinehart and Winston, _cc 1963.. |
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| 300 |
_axxi, 268 p. : _bill. ; _c24 cm. |
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| 490 | _aUnderstanding mathematics program. | ||
| 500 | _aIncludes index. | ||
| 504 | _aBibliography : p. 253-256. | ||
| 508 | _a344 | ||
| 650 |
_aArithmetic. _2Foundations. _9263477 |
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| 651 | _2Number concept. | ||
| 942 |
_2ddc _cBK |
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