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Author:
Lo Ka Ling
GeoGebra
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【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
拼砌四邊形
球体的体积推导
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小數在數線上的位置
年龄问题
gjc099b34 找指定圓圓心
Menger Sponge
正方体展开图的副本
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Cone
Differential Equation
Ellipse
Straight Lines
Volume