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Author:
羅驥韡 (Pegasus Roe)
GeoGebra
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兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
小数 的副本
【案例】2018年全国1卷理科12题
sanjiaohanshu
Discover Resources
角平分線性質
三位小數
过圆上一点作切线，三步
聖誕樹
两角和的正切公式几何证明
Discover Topics
Isosceles Triangles
Algebra
Rational Numbers
Pythagoras or Pythagorean Theorem
Numbers