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Geometry: Angles Sum of Triangle (幾何:三角形內角和)
Author:
chisunch1
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
柱體建築師
錐體建築師
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
Discover Resources
初三奥赛:圆的切割线问题
路徑一動畫
真方位角與羅盤方位角
Addition and Subtraction of Polynomials 2 (多項式的加減法2)
大樓仰角皆為 60 度