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放缩尺
Author:
萧若茂
放缩尺
GeoGebra
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sanjiaohanshu
小数 的副本
Fibonacci Clock
長方體平面投影 (Codex版)
第八周作业
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年龄问题
測試教案 80630 張哲綸
同心圓
图形动画3
梯形
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Ellipse
Logarithmic Functions
Algebra
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