Motion
发表于 2025-3-21 17:14:51
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可触知
发表于 2025-3-21 22:31:44
1431-7532 Overview: Early Fraction learning is centrally of interest to studentsand researchersin mathematics education, tackling as itdoes one of that discipline‘s most vexing problems: why arefractions so difficult to learn and to teach?978-0-387-97641-9978-1-4612-3194-3Series ISSN 1431-7532
ARCHE
发表于 2025-3-22 02:07:05
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持续
发表于 2025-3-22 04:52:56
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来这真柔软
发表于 2025-3-22 11:17:55
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词根词缀法
发表于 2025-3-22 16:29:46
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词根词缀法
发表于 2025-3-22 18:03:54
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Isometric
发表于 2025-3-23 00:00:25
https://doi.org/10.1007/978-3-662-29267-9ts of small wooden objects - mostly representations of animals There were two rabbits, four bears, six roosters, eight trees, 10 peacocks, and 12 worms. Starting with the two rabbits, the teacher had introduced each larger set in turn, asking a child to divide the set of objects in half, and to writ
Observe
发表于 2025-3-23 02:21:35
Fibrous Structures: Networks and Composites,nown as the field of fractions of the integers - is one of a number of equivalent ways of embedding the natural numbers in a smallest possible field (the field of rational numbers). Another equivalent method (which no longer remains necessarily equivalent when we take as our starting commutative rin
Coronation
发表于 2025-3-23 07:04:35
Hydration of Cements with Mineral Additions,etence. Typically formal fraction instruction begins by the teacher cutting an apple into halves and then into quarters. Students progress to shading halves, quarters and thirds of geometric shapes. During these lessons teachers are attempting to provide conceptual underpinings for the symbolism of