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龍騰4_1-1課例3
Author:
廖傑成
GeoGebra
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兩位數加法
画直线等分三角形的面积
找出對稱軸
異分母分數減法
拼砌四邊形
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和差角公式几何证明
同分母分數除法
噴嘴示意圖
S3 WS4.3 Q04(3D圖)
连续开方（制作：谢建华，修订：孟宝兴）
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Differential Calculus
Sine
Standard Deviation
Binomial Distribution
Multiplication