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三角形3,4,5
Author:
Ho-Kai Chen
設P是正角形ABC內一點, PC=3,P=4,PB=5, 試求此正三角形的邊長.
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判斷球體
拼砌四邊形
三位數除以一位數(一)
找出對稱軸
畫出對稱圖形
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ray tracing 2 lens
畢式定理 (02)
優良作品6(沛綺)
二次曲線-1.圓錐曲線
四邊形的特性
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