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Author:
dhc987
GeoGebra
New Resources
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
異分母分數減法
【案例】圆柱体内放置一个大球六个小球
兩位數加法
Discover Resources
Proof of Pythagoras Theorem
高二上_圓_圓內一點所有弦的中點軌跡
Interest（利息）
日光平行光
量角器
Discover Topics
Boxplot
Conic Sections
Congruence
Dilation
Rational Numbers