测试
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@ -41,10 +41,10 @@ $$
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d(A,B) = \sqrt{\sum_{i=1}^n{(a_i-b_i)^2}}
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$$
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平面中两点 (x1,y1) 和 (x2,y2) 之间的直线距离就是欧式距离:
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求平面中两点 $(x_1,y_1)$ 和 $(x_2,y_2)$ 之间的直线距离(即欧式距离):
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$$
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\sqrt{(x_1-x_2)^2 + (y_1-y_2)^2}
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\sqrt{(x_1-x_2)^2 + (y_1-y_2)^2} \tag{欧式距离公式}
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$$
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冰雹函数
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@ -59,7 +59,7 @@ $$
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$$
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\begin{equation}
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E = mc^2 \tag{哈哈1}
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E = mc^2 \tag{质能方程}
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\end{equation}
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$$
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