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两角和的正弦公式
Author:
zhang hongwei
Topic:
Trigonometric Functions
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
畫出對稱圖形
柱體建築師
三位數除以一位數(二)
画直线等分三角形的面积
Discover Resources
「相似三角形」任务4
平移函數的切線(三次)
圓柱
重心
音乐播放器(需下载到本地使用)
Discover Topics
Subtraction
Solids or 3D Shapes
Arithmetic Operations
Calculus
Boxplot