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Copy of 平行四邊形
Author:
CHENG Kwan Yin
,
Hin Chan
Topic:
Parallelogram
平行四邊形的高和底
GeoGebra
New Resources
漂亮的摇摆曲线
空间中两直线的位置关系
斜率的值
祖冲之的期望：内棋与外棋
多邊形的面積
Discover Resources
面積：從梯形到三角形 02
Quiz on True Bearings 真方位角：測驗
蝴蝶定理證明1：Steven構造恒等式
geogebra
轴对称的两点的动画演示.许兴华数学
Discover Topics
Perimeter
Plane Figures or Shapes
Real Numbers
Rational Numbers
Linear Equations