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中考考题旋转全等的探究-0
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正n边形内的旋转三角形
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河南中考2018-22
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illusiion 6 平行线错觉
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illusiion 6 平行线错觉
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圆柱
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ycms5a1-c-三角形有解的角的范围
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高中多項式
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學測試題
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指考試題
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mzj095-11 填充E 三角形邊長比
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三角函數
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mxc086-16 填充D 三直線與外接圓
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ConeFinish_video2
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基測數學100-1-30 ：等腰三角形求角度
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整數的減法5：CheckBox 與單選題
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gtx-f03-usa-01 美國國旗
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向量的加減
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A1323213 最小平方法
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加法(10個一數)
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平面切割正立方體
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函數、方程式、參數式
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CK106
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kzckm100-12 中线与圆
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