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| 003 | OSt | ||
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| 006 | a|||||r|||| 00| 0 | ||
| 007 | ta | ||
| 008 | 220927b |||||||| |||| 00| 0 eng d | ||
| 024 | _a34148 | ||
| 037 | _cTextual | ||
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_aSDCL _cSDCL _beng |
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| 041 |
_2eng _aeng |
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| 082 | _aT:3(B), L3 | ||
| 100 |
_aFreudenthal Hans _9451637 |
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| 245 | 0 | _aMathematics as an educational task. | |
| 260 |
_aDordrecht _bD Reidel Publishing _c1973 |
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| 300 |
_axii,680p _ccm. |
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| 942 |
_hT:3(B), L3 _cTEXL _2CC |
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