| 008 |
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941102s19uu ch 000 0 chi d |
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|a9027715351 : |c英122.95
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|aTMUE|beng|cTMUE|dTMUE
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|aFreudenthalH
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| 245 |
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|aDidactical phenomenology of mathematical structures / |cH. Freudenthal
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|bKluwer, |c1983
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|aMathematics education library ; |v1
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|a英122.95
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|aMathematics education library ; |v1
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