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联想,是思维活动的主要形式之一,特别是较难的解题尤其突出联想的能力。怎么联想,联想从何而来,是教师需认真研究的;利用特征,引发联想,就是一种重要的途径。1.图形特征引发联想【例1】如图,△ABC中,AD是BC边的中线,E是AB边上一点,且AE=1/3AB,CE交AD于F.
Association, is one of the main forms of thinking activities, especially the more difficult problem solving, especially the ability of Lenovo. How the association, where the association came from, is a teacher to be carefully studied; the use of features, triggering associations, is an important way. 1. Graphic features trigger Lenovo [Example 1] As shown, △ ABC, AD is the BC side of the middle line, E is a point AB, and AE = 1 / 3AB, CE to pay AD.