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20170517pythagoras
Author:
翁瑞檡
GeoGebra
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【案例】2018年全国1卷理科12题
錐體建築師
柱體建築師
四邉形 (四年級) 教師版
【案例】圆柱体内放置一个大球六个小球
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內切圓
angle
柯西不等式 (4)
雙曲線3--等軸法
S0A4 线性规划与不等式区域
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Parametric Curves
Function Graph
Integers
Vectors
Special Points