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三角形內角和180度
Author:
范欣茹
Topic:
Triangles
GeoGebra
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GeoGebra笔记功能体验课件
画直线等分三角形的面积
第八周作业
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
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學測105-9
三角形內部一點問題
f(x, y) = g(x) h(y)
製作對稱圖形 LEVEL 1
GGB10
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Ratios
Fractions
Combinatorics
Isosceles Triangles
Right Triangles