| 名称 | Extending mathematics understanding | |
| 索引号 | O121/E701 | |
| 分类号 | O121 O121(算术) O12(初等数学) O1(数学) O(数理科学和化学) |
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| 作者 | ||
| 出版社 | Columbus, Ohio : C.E. Merrill Books, 1963. | |
| ISBN | ||
| 页数 | viii, 310 p. : ill. ; 24 cm. | |
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| 简介 | ||
| 注解 | Earlier ed. copyright 1960 under the titles Toward improved understanding of mathematics, part I and Toward improved understanding of mathematics, part II, by M. V. DeVault, published in 1960. Revised in 1969, published separately in two volumes under the titles Understanding the number system and Extending understandings of mathematics. 附註 Bibliography: p. 264-271. | |










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