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三角形三邊大小關係(國小五上翰林4-1)
Author:
陳民峰
GeoGebra
New Resources
sanjiaohanshu
兩組對邊相等和有直角的四邊形
近似值：有效數字
三位數除以一位數（二）
算柱 (兩位數)
Discover Resources
二次涵数的图象y=ax^2+b
[問題] OP 最大投影長
ex 6
密鋪
Copy of 平行四邊形面積
Discover Topics
Normal Distribution
Equilateral Triangles
Vectors
Indefinite Integral
Quadratic Equations