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中考北京24题
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方程
GeoGebra
New Resources
盈利與虧蝕
百分數及其應用
撒针估算面积实验
斐波那契螺旋弧线（表格法-可动态调节）
异形操场
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多項式乘法
作業3-1 增加互動功能
Text sequence
string art
无理指数幂
Discover Topics
Mathematics
Rotation
Curve Sketching
Tangent Line or Tangent
Vectors 3D (Three-Dimensional)