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三角形面積(由面積求高)
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lkkbmaths teachers 檔案儲存用
GeoGebra
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百分數及其應用
折扣
龙形曲线-分形龙2
球体的截面
科赫雪花
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proof76 謝旻辰
Sangaku
活動工作紙LEVEL03
[洋葱] 四边形与旋转变换
Copy of 分數與小數
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Median Value
Cuboid
Surface
Isosceles Triangles
Sequences and Series