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1115-2
Author:
chen mingchuan
GeoGebra
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四邊形的特性
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
拼砌四邊形
第八周作业
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題 9
Clown
歐幾米德多面體（四邊形與六邊形－進階版）
Triangle
根據百分率找數量（二）: 例1的副本
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Area
Continuity
Parabola
Rational Numbers
Plane Figures or Shapes