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正弦规
Author:
阳光
Topic:
Constructions
GeoGebra
New Resources
四邉形 (四年級) 教師版
球體建築師
算柱 (兩位數)
柱體建築師
第八周作业
Discover Resources
立方和
三角形的內心與內切圓
正四角錐
工具：PlaneString
GeoGebra数学资源（4-8年级）
Discover Topics
Terms
Frequency Distribution
Area
Arithmetic Operations
Integers