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No.16
Author:
Billy Cheung
GeoGebra
New Resources
球体的截面
椭圆内切圆链
活动三:应用性质
百分數及其應用
龙形曲线-分形龙2
Discover Resources
test
GeoGebra Book
圆锥的侧面展开图3D
指令
面積
Discover Topics
Linear Functions
Rotation
Fractions
Congruence
Line Segment