借助自制教具 突破教学难点——以《杠杆》教学为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1009-2560|18|6|130-132

ISSN: 1009-2560

Source: 宁波教育学院学报, Vol.18, Iss.6, 2016-01, pp. : 130-132

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Abstract