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S5G1 圆面积与扇形分割
Author:
学用数学
,
acchu
Topic:
Circle
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
画直线等分三角形的面积
四邊形的特性
兩位數除以一位數（二）
Discover Resources
平面
圓柱動態展開圖
定義篇
Congruent and Similarity
lower sum for x^2
Discover Topics
Right Triangles
Arithmetic Operations
Definite Integral
Geometry
Combinatorics