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圓周 (圖形H)
Author:
Keith Ko
移動右圖中的紅線到左方虛線,就知道它是相等於左圖的哪條線。
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斐波那契螺旋弧线(表格法-可动态调节)
折扣
盈利與虧蝕
平行線的判定
第三周作业效果演示
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Apollonius Problem kissing coin problem
三角形
鑲嵌圖形-2 SAKULA
七巧板綜合的副本
双曲线定义
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Orthocenter
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