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題 2
Author:
HYHivy
,
GeoGebra Institute of Hong Kong
計算下圖的面積。
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四邉形 (四年級) 教師版
柱體建築師
兩組對邊相等的四邊形
判斷球體
拼砌四邊形
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立方體拿走4塊
Apollonius Problem 5 CPP Power
複合圖形(八)
模擬分洪堰曲線方程式
测试问题
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Exponent
Cone
Mathematics
Constructions
Cuboid