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任意三角形兩不等圓
Author:
Lin Ching Chieh
GeoGebra
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【案例】2018年全国1卷理科12题
柱體建築師
三位數除以一位數（一）
球體建築師
錐體建築師
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雙曲線規
三角形的內角、外角、內角和與外角和
三角形三邊長
Compare areas by cutting shapes Q3
立體網狀圖
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Probability
Constructions
Indefinite Integral
Triangles
Ratios