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tube15240
Author:
林煥宗
GeoGebra
New Resources
兩位數除以一位數(二)
異分母分數減法
画直线等分三角形的面积
兩位數加法
球体的体积推导
Discover Resources
盒子的體積
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Jiawen Yun
new book
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Discover Topics
Sine
Probability
Standard Deviation
Secant Line or Secant
Polygons