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SSA侦测三角形数量
Author:
靳道阳
GeoGebra
New Resources
兩位數除以一位數（一）
柱體建築師
画直线等分三角形的面积
兩位數除以一位數（二）
拼砌四邊形
Discover Resources
數值滑桿
fixed arc length and fixed shaded area
Testing
立體測量：兩仰角
表内除法
Discover Topics
Sine
Perimeter
Curve Sketching
Angles
Statistical Characteristics