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Introduce tangent ratio
Author:
VCChung
GeoGebra
New Resources
拼砌四邊形
三位數除以一位數（一）
【案例】2018年全国1卷理科12题
三位數除以一位數（二）
柱體建築師
Discover Resources
四角柱算體積
BkD_act15_04c
Rotational symmetry of triangular prism
擲兩個硬幣的機率分布的副本
n 次方根 的複本
Discover Topics
Tree Diagrams
Centroid or Barycenter
Planes
Functions
Incircle or Inscribed Circle