misshapen
发表于 2025-3-23 11:56:21
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使纠缠
发表于 2025-3-23 17:21:34
Anne Reynolds,Grayson H. Wheatleyatical communities, the conference has been opened to researchers from all nationalities..While researchers in analysis and related fields are the primary readership of this volume, PhD students can rely on this book as a valuable source to keep pace with recent advances in differential equations an
Mangle
发表于 2025-3-23 19:01:01
Verdiana G. Kashaga MasanjaHamiltonian systems, topics like Birkhoff normal forms and the Poincaré-Birkhoff theorem on periodicsolutions have been added. There are now 6 appendices with new material on invariant manifolds, bifurcation of strongly nonlinear self-excited systems and normal forms of Hamiltonian systems. The subj
欢乐中国
发表于 2025-3-24 00:38:42
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prostate-gland
发表于 2025-3-24 03:42:45
Lena Licon Khistysarily deviate the actual solutions; therefore, they can differ, sometimes seriously, from the actual physical behavior. Physically accurate and correct solutions can be obtained by avoiding these limitations, which would add an important advancement to our insights into the natural behavior of phys
间谍活动
发表于 2025-3-24 09:45:09
https://doi.org/10.1007/978-94-017-2211-7Arithmetic; geometry; learning; mathematics; mathematics education
出生
发表于 2025-3-24 12:03:44
Concept Formation Process and an Individual Child’s IntelligenceLet us ask ourselves a seemingly simple why do we teach pupils? Do we want to give them profound and thorough knowledge? But only a small part of the digested information remains in their memory after education is complete, and knowledge may quickly become obsolete.
性上瘾
发表于 2025-3-24 18:39:31
Interactions between Children in Mathematics Class: An Example Concerning the Concept of NumberFor the last several years our studies have been concerned with the social analysis of the development of mathematical knowledge in children.(Bednarz & DufourJanvier, 1988; Dufour-Janvier, Bednarz, 1989; Bedoarx, Poirier & Bacon, 1992; Bednarz, 1991; Bednarz, Janvier, Poirier & Bacon, 1993).
guzzle
发表于 2025-3-24 19:13:19
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牵索
发表于 2025-3-25 02:50:51
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