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polygon(first upload)
Author:
mingyi
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
第八周作业
畫出對稱圖形
Discover Resources
直角三角形斜边上的中线
數學作業
量角器
hihihi
椭圆滚动
Discover Topics
Sequences and Series
Multiplication
Arithmetic Operations
Trigonometric Functions
Integers