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三角形面積公式 1/2 bc sinA的副本
Author:
mingz_go
,
羅驥韡 (Pegasus Roe)
GeoGebra
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科赫雪花
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第三周作业效果演示
小学资源收集
镂空正方体案例对比
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畢氏定理證明
面積切割
曲柄搖桿接雙搖桿
艾雪鑲嵌
Choikou 5階
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Logarithmic Functions
Means
Tangent Function
Angles
Cone