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直角三角形の三角比
Author:
Tatsuki Fujimoto
,
+x sir
GeoGebra
New Resources
畫出對稱圖形
【案例】2018年全国1卷理科12题
異分母分數減法
拼砌四邊形
三位數除以一位數（一）
Discover Resources
函數與反函數的導數關係
蠟蠋成像
ie 9
橢圓2--四圓心近似法
sin(x) 的函數圖形的副本
Discover Topics
Set Theory
Cylinder
Prism
Reflection
Derivative