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fchengang动画
Author:
符成岗
GeoGebra
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第八周作业1
平行線的判定
活动三：应用性质
科赫雪花
第三周作业效果演示
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工具箱
四則運算
lms2702
gmj106a12 旋轉矩陣與面積
展開圓面積 (講義版)的副本
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Sine
Cube
Subtraction
Logarithmic Functions
LCM and GCD