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三角形五心與角度關係的副本
Author:
许强
,
lihsing.zen
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第八周作业
第三周作业效果演示
百分數及其應用
斐波那契螺旋弧线(表格法)
斐波那契螺旋弧线(表格法-可动态调节)
Discover Resources
Area of Parallelogram
圖形拼砌與分割
日照杆影演示
圓心角
Exploration of the conditions for congruent triangles.
Discover Topics
Trapezoid
Linear Functions
Perimeter
Cylinder
Histogram