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1.向量工具显神威向量的引入给中学数学教育送来了春风,带来了新的活力,我们首先利用向量这一先进的工具探究关于三角形重心的一个命题的新的证法.
1. The introduction of the vector tool to display the divinity vector has brought the spring breeze to the middle school mathematics education and brought new vitality. We first use the advanced tool of vector to explore new proofs of a proposition of the triangle center of gravity.