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几何模版:构造全等三角形证明线段相等
Author:
lansesorry
GeoGebra
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异形操场
椭圆内切圆链
科赫雪花
双心四边形
盈利與虧蝕
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四下_四邊形(教師版)
P2 math
顶顶顶顶顶顶顶顶顶顶
Distance(距離公式)
小单答重庆杨志友公共部分面积
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Symmetry
Numbers
Vectors 3D (Three-Dimensional)
Integers
Hyperbola