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S0E2 勾股定理
Author:
Zelene
GeoGebra
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第八周作业2
异形操场
第八周作业
圓的基本性質
百分數及其應用
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樞紐內容
第一本
同位角
固定三角形的條件−題1的副本
乘法训练
Discover Topics
Arithmetic Operations
Arithmetic
Subtraction
Straight Lines
Calculus