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异形玻璃缸
Author:
吕玉雷
GeoGebra
New Resources
常见四边形是否是双心四边形
第八周作业
盈利與虧蝕
斐波那契螺旋弧线（表格法-可动态调节）
活动三：应用性质
Discover Resources
龍騰4_1-1課例2
截痕
Exterior Angle Cyclic Quadrilateral
李樂雯_尋找PI的活動
橢圓1--同心圓法
Discover Topics
Linear Programming or Linear Optimization
Hyperbola
Right Triangles
Division
Dilation