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1.背景分析张奠宙教授曾饱含深情地说:韦达定理是初中代数课程中最耀眼的定理.但笔者最近反复研读《义务教育数学课程标准》没有发现对该定理的教学要求;阅读了初中教材,连原先带*号的选学内容都已删去,初中对韦达定理看来是要彻底地告别了.高中课程呢?对此似乎并无反应:课程标准里没有,高中教材对此也似乎拿不定主意,虽无一道运用的例子,但习题却有不少,高考更是“大量需求”.高中数学教师面临的课题不仅是初高中衔接漏洞的填补问题,更严峻
1. Background analysis Professor Zhang Dinh Chau once full of affectionate to say: Vedant theorem is junior high school algebra curriculum in the most dazzling theorem, but I recently read “compulsory education mathematics curriculum standards” did not find the teaching of the theorem requirements; reading junior high school textbooks , Even the original * with the elective content have been deleted, junior high school on the Veddas theorem seems to completely bid farewell to the high school curriculum does not seem to respond to this: the standard curriculum, high school textbooks on this Seems to take uncertainties, although not an example of the use, but there are a lot of exercises, college entrance examination is “a large number of needs ” high school mathematics teachers are not only facing the problem of bridging gaps in the gap, but also more serious