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Autor:
孫靜怡
,
Duane Habecker
,
Tsang Kin Fun Francis
,
Shepherd
GeoGebra
Nous materials
拼砌四邊形
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
四邊形的特性
【案例】2018年全国1卷理科12题
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Equal chords and their distances from the centre
F.3 Ch.10 Application of Trigonometry
面積2
旁心
达芬奇椭圆仪
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Triangles
Polígons
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