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01.平均数.mp4 | 2024-07-01 17:57:55 | 595.46 MB | |
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02.中位数和众数.mp4 | 2024-07-01 17:57:55 | 686.88 MB | |
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03.方差和标准差.mp4 | 2024-07-01 17:57:55 | 201.73 MB | |
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04.用样本估计总体.mp4 | 2024-07-01 17:57:55 | 215.51 MB | |
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05.一元二次方程.mp4 | 2024-07-01 17:57:55 | 262.84 MB | |
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06.配方法.mp4 | 2024-07-01 17:57:55 | 368.01 MB | |
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07.公式法.mp4 | 2024-07-01 17:57:55 | 304.23 MB | |
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08.因式分解法.mp4 | 2024-07-01 17:57:55 | 304.18 MB | |
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09.一元二次方程根与系数的关系.mp4 | 2024-07-01 17:57:55 | 244.54 MB | |
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10.实际问题与一元二次方程(1).mp4 | 2024-07-01 17:57:55 | 423.09 MB | |
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11.实际问题与一元二次方程(2).mp4 | 2024-07-01 17:57:55 | 399.26 MB | |
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12.比例线段.mp4 | 2024-07-01 17:57:55 | 201.34 MB | |
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13.平行线分线段成比例.mp4 | 2024-07-01 17:57:55 | 179.84 MB | |
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14.相似三角形.mp4 | 2024-07-01 17:57:55 | 189.14 MB | |
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15.相似三角形的判定（一）.mp4 | 2024-07-01 17:57:55 | 191.57 MB | |
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16.相似三角形的判定（二）.mp4 | 2024-07-01 17:57:55 | 201.84 MB | |
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17.相似三角形的性质.mp4 | 2024-07-01 17:57:55 | 183.34 MB | |
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18.相似三角形的应用举例.mp4 | 2024-07-01 17:57:55 | 314 MB | |
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19.相似多边形.mp4 | 2024-07-01 17:57:55 | 171.74 MB | |
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20.位似（一）.mp4 | 2024-07-01 17:57:55 | 215.57 MB | |
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21.位似（二）.mp4 | 2024-07-01 17:57:55 | 385.41 MB | |
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22.锐角三角函数（一）.mp4 | 2024-07-01 17:57:55 | 234.62 MB | |
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23.锐角三角函数（二）.mp4 | 2024-07-01 17:57:55 | 280.77 MB | |
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24.锐角三角函数（三）.mp4 | 2024-07-01 17:57:55 | 225.83 MB | |
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25.锐角三角函数（四）.mp4 | 2024-07-01 17:57:55 | 284.04 MB | |
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26.解直角三角形（一）.mp4 | 2024-07-01 17:57:55 | 259.36 MB | |
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27.解直角三角形（二）.mp4 | 2024-07-01 17:57:55 | 386.11 MB | |
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28.解直角三角形（三）.mp4 | 2024-07-01 17:57:55 | 333.25 MB | |
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29.解直角三角形（四）.mp4 | 2024-07-01 17:57:55 | 290.49 MB | |
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30.反比例函数的意义.mp4 | 2024-07-01 17:57:55 | 396.63 MB | |
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31.反比例函数的图象及性质（一）.mp4 | 2024-07-01 17:57:55 | 404.89 MB | |
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32.反比例函数的图像和性质（二）.mp4 | 2024-07-01 17:57:55 | 373.18 MB | |
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33.反比例函数在实际中的应用.mp4 | 2024-07-01 17:57:55 | 350.85 MB | |
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34.圆.mp4 | 2024-07-01 17:57:55 | 294.32 MB | |
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35.弧、弦、圆心角.mp4 | 2024-07-01 17:57:55 | 254.64 MB | |
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36.圆周角.mp4 | 2024-07-01 17:57:55 | 269.85 MB | |
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37.垂直于弦的直径.mp4 | 2024-07-01 17:57:55 | 353.56 MB | |
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38.弧长和扇形面积.mp4 | 2024-07-01 17:57:55 | 300.08 MB | |
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39.点和圆的位置关系.mp4 | 2024-07-01 17:57:55 | 170.18 MB | |
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40.直线和圆的位置关系（1）.mp4 | 2024-07-01 17:57:55 | 353.21 MB | |
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41.直线和圆的位置关系（2）.mp4 | 2024-07-01 17:57:55 | 409.76 MB | |
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42.直线和圆的位置关系（3）.mp4 | 2024-07-01 17:57:55 | 289.41 MB | |
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43.正多边形和圆.mp4 | 2024-07-01 17:57:55 | 304.27 MB | |
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44.二次函数.mp4 | 2024-07-01 17:57:55 | 218.94 MB | |
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45.二次函数y=ax2的图象.mp4 | 2024-07-01 17:57:55 | 296.17 MB | |
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46.二次函数y=a(x－h)2＋k的图象.mp4 | 2024-07-01 17:57:55 | 341.22 MB | |
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47.二次函数y=ax2＋bx＋c的图象与性质.mp4 | 2024-07-01 17:57:55 | 307.76 MB | |
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48.由不共线三点的坐标确定二次函数.mp4 | 2024-07-01 17:57:55 | 182.9 MB | |
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49.实际问题与二次函数（一）.mp4 | 2024-07-01 17:57:55 | 257.92 MB | |
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50.实际问题与二次函数（二）.mp4 | 2024-07-01 17:57:55 | 348.28 MB | |
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51.实际问题与二次函数（三）.mp4 | 2024-07-01 17:57:55 | 347.55 MB | |
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52.二次函数与一元二次方程的关系.mp4 | 2024-07-01 17:57:55 | 216.17 MB | |
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53.概率.mp4 | 2024-07-01 17:57:55 | 319.51 MB | |
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54.用频率估计概率.mp4 | 2024-07-01 17:57:55 | 150.83 MB | |
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55.用列举法求概率(1).mp4 | 2024-07-01 17:57:55 | 280.67 MB | |
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56.用列举法求概率(2).mp4 | 2024-07-01 17:57:55 | 390.64 MB | |
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57.投影与视图.mp4 | 2024-07-01 17:57:55 | 375.14 MB | |
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58.三视图（一）.mp4 | 2024-07-01 17:57:55 | 976.04 MB | |
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59.三视图（二）.mp4 | 2024-07-01 17:57:55 | 593.39 MB |