铁塔等 发表于 2025-3-23 11:51:32
Paul Herrmannern science, and particularly astronomy. From his youth he was inspired to teach himself science by reading traditional astronomical texts, but he also studied astronomy, chemistry and geography, and English, French and Latin from American and French missionaries. Over the years, he collected many bESO 发表于 2025-3-23 16:15:07
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Paul Herrmann In this chapter, we report on data from 243 second graders who were asked to fill in missing numbers on a number path (encouraging them to play around with numbers less than zero) and to solve integer arithmetic problems (encouraging them to play around with the concepts of addition and subtraction丰富 发表于 2025-3-23 22:24:28
Paul Herrmannls used to teach integer arithmetic. Few studies, however, have investigated what students learn with models or empirically compared affordances and constraints of integer models. This led me to investigate how 160 fifth- and sixth-grade students who were learning integer arithmetic for the first tiFADE 发表于 2025-3-24 02:35:56
Paul Herrmannls used to teach integer arithmetic. Few studies, however, have investigated what students learn with models or empirically compared affordances and constraints of integer models. This led me to investigate how 160 fifth- and sixth-grade students who were learning integer arithmetic for the first ti自制 发表于 2025-3-24 07:06:20
Paul Herrmann In this chapter, we report on data from 243 second graders who were asked to fill in missing numbers on a number path (encouraging them to play around with numbers less than zero) and to solve integer arithmetic problems (encouraging them to play around with the concepts of addition and subtractiononcologist 发表于 2025-3-24 13:12:21
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Paul Herrmannd to the healthy life years lost to disability and providing full application details along with characteristic parameter selection and stability of the coefficients. We also provide a direct estimation method of the parameter . from the life tables. We straighten the importance of our methodology b