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梯形
Author:
kmskms2018
Topic:
Trapezoid
GeoGebra
New Resources
折扣
百分數及其應用
比較五件物件的重量
第八周作业3
圓的切線方程
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clock
分年細目：7-a-12 能在直角坐標平面上描繪常數函數及一次函數的圖形。
glt-c02-00 長方體
What's wrong
劉徽的「割圓術」的副本
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Real Numbers
Poisson Distribution
Parametric Curves
Parabola
Upper and Lower Sum or Riemann Sum