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vernier caliper
Author:
ken@ylshsap
GeoGebra
New Resources
斜率的值
垂直線的斜率
撒针估算面积实验
正方形雪花图案
比較五件物件的重量
Discover Resources
linear function
test
Strike and Dip 地層的走向與傾角模擬
關燈遊戲 Lights Out Cube beta ver.
盈利與虧蝕
Discover Topics
Calculus
Tangent Function
Planes
Pythagoras or Pythagorean Theorem
Line Segment