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| 003 | BD-ChCU | ||
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_aDLC _cDLC _dBD-ChCU |
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_aBrueckner, Leo J. _bGrossnicke, Foster E. |
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_adeveloping mathematical understandings the upper grades _bx |
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_aN.Y. _bHolt _c1961 |
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_aMathematics - Study and Teacheing _bMathematics - Study and Teacheing |
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_2ddc _cBK |
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_c36156 _d36156 |
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