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Author:
袁智强
GeoGebra
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正方形雪花图案
龙形曲线-分形龙
第八周作业
盈利與虧蝕
科赫雪花
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一元一次不等式圖形
二次函數(第二階段)
圓周角觀察操作
Dart Board
S0E01 一次、二次函数的绘制
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Differential Calculus
Coordinates
Sequences and Series
Cuboid
Trapezoid