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Author:
袁智强
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北京中考
【范本】中考动点问题
椭圆轨迹
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卡西尼卵形线
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由拉線80209傅筱茿螢橋國中
阿波羅圓
棒形圖(我最喜愛的科目)
翻轉方塊
線對稱
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Addition
Straight Lines
Hypothesis Testing
Normal Distribution
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