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| Utgitt
| Philadelphia : Winston , [1959]
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| Omfang
| |
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| Opplysninger
| Based on Making arithmetic meaningful, by L.J. Brueckner and F.E. Grossnickle, which was first published in 1947 under title: How to make arithmetic meaningful.. - Beginning with 4th ed., 1963, published under title: Discovering meanings in elementary school mathematics.
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| Emner
| |
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