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餘弦公式2
Author:
maths324324
GeoGebra
New Resources
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
兩位數加法
算柱 (兩位數)
画直线等分三角形的面积
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方格紙上畫平行四邊形3
分數比較
三角函數的性質
三角形三內角和為 180°
Copy of 多項式函數
Discover Topics
Intersection
Vectors
Constructions
Correlation
Inequalities