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zhlsh-2
Author:
张老师
GeoGebra
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正方形雪花图案
活动三：应用性质
撒针估算面积实验
异形操场
第八周作业3
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三角形內部一點到三頂點距離和最小
線、面平行
內外切圓性質
線性規劃
S3 Ex4.3 Q05(3D圖)
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Inequalities
General Quadrilateral
Quadrilaterals
Parallelogram
Prism