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正四角錐
Author:
康靖坤
可以旋轉， 顯示邊， 選擇透視
GeoGebra
New Resources
近似值：有效數字
【案例】2018年全国1卷理科12题
sanjiaohanshu
找出對稱軸
四邊形的特性
Discover Resources
畢氏定理
一年級
圖解最簡根式
圆-视觉差
开关灯
Discover Topics
LCM and GCD
Function Graph
Functions
Distributions
Integral Calculus