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《圆》这一章是初中的重要知识,也是重要考点。圆的切线的性质与判定又是必考点。如何从训练中把握这一重点,提升学生的解题技能,是教育界关注的热点问题。
The chapter “Circle” is an important knowledge of junior high school and an important test site. The nature and judgment of the round tangent are necessary. How to grasp this point from training and improve students’ problem-solving skills is a hot issue for the education community.