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平行四边形的性质探索
Author:
蔡永志
GeoGebra
New Resources
找出對稱軸
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
兩位數加法
異分母分數減法
Discover Resources
有趣的反例
拿破崙三角形(費馬點)
拋物線(開口向上)
同學最喜愛的運動
三角五形
Discover Topics
Poisson Distribution
Sequences and Series
Rational Numbers
Symmetry
Arithmetic