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Angle (Extended 2)
Author:
Chan Kwan Ho
GeoGebra
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活动三：应用性质
第三周作业效果演示
折扣
百分數及其應用
平行線的判定
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[問題] 點 (4,7) 到 3x+4y = 0 的距離為何？
曲柄滑塊模擬
面積
S3 Trigonometry
碎形四邊形
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Arithmetic
Multiplication
Dilation
Area
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