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平衡问题练习
Author:
Peng Yu
GeoGebra
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第八周作业
第八周作业3
盈利與虧蝕
活动三:应用性质
比較五件物件的重量
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正餘弦函數的疊合102.11.27
test
畢氏定理
正切函數的絕對值圖形
數學繪圖
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Scalene Triangles
Real Numbers
Angles
Cone
Trapezoid