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線性變換矩陣
Author:
王宇生
GeoGebra
New Resources
撒针估算面积实验
常见四边形是否是双心四边形
第八周作业3
龙形曲线-分形龙2
平行線的判定
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整數或分數÷分數_ 工作紙(一)_題2a
Copy of 閱讀鐘面及數字鐘(時和分)
Similar triangles inscribed iteration
变化的三角形的垂心.许兴华数学
物體的平面運動
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Inequalities
Square
Matrices
Arithmetic Operations
Equilateral Triangles