人说几何很困难,难点就在辅助线.
辅助线,如何添?把握定理和概念.
还要刻苦加钻研,找出规律凭经验.
About Me
Name: Zhu Jingsi(祝靖斯)
Known as: HeavenFox
Sex: ♂
Birth: Mar 28, 1993
Location: Changchun, Jilin, P.R.C
Known as: HeavenFox
Sex: ♂
Birth: Mar 28, 1993
Location: Changchun, Jilin, P.R.C
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