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| 005 | 20250114190922.0 | ||
| 008 | 250113s9999 xx 000 0 und d | ||
| 041 | _aeng | ||
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_bG5.23 _aT:3Bl7361:N35 |
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| 100 | _aNational council of teachers of mathematics | ||
| 245 | _aNational council of teachers of mathematics | ||
| 260 |
_c1957 _bInsights into modern mathematics _aWashington |
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| 300 | _aviii,440p. | ||
| 365 | _cRs. | ||
| 650 | _aT:3Bl7361:N35 | ||
| 700 | _aNational council of teachers of mathematics | ||
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