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梯形
Author:
Chan Ting Hin
Topic:
Trapezoid
GeoGebra
New Resources
sanjiaohanshu
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
近似值：有效數字
判斷球體
Discover Resources
三度空間中的長方體
任意三角形兩不等圓
Rectangle
比例中的定值問題(二)
球面坐標
Discover Topics
Step Functions
Random Experiments
Dilation
Linear Programming or Linear Optimization
Logic