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題 2
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
球体的体积推导（优化版）
直線的斜率
兩位數除以一位數（一）
垂直線的斜率
三位數除以一位數（一）
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扇形弧長公式1
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Integral Calculus
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