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解三角形（１）
Author:
蔡永志
Topic:
Triangles
,
Trigonometry
解三角形
GeoGebra
New Resources
兩組對邊相等的四邊形
判斷球體
第八周作业
拼砌四邊形
錐體建築師
Discover Resources
二次函數不等式及其圖像(進階版)
circle
同心圓+等分割線
錯角---不平行綫
dragon(龙)
Discover Topics
Cylinder
Plane Figures or Shapes
Multiplication
Vectors 3D (Three-Dimensional)
Exponent