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M 处特别尖,请问怎么回事?
M 处特别尖,是怎么回事呢?- \begin{tikzpicture}[scale=1.5]
- \draw[blue] (0,0) coordinate (O) node [below left]{$O$};
- \draw[-Latex,blue] (-0.5,0) -- (2,0) node[below]{$x$};
- \draw[-Latex,blue] (0,-0.5) -- (0,2) node[left]{$y$};
- \draw[blue](0.5,0) coordinate (A) node[below] {$A$}-- (0,1) coordinate (D) node[left] {$D$}--($(D)!1!90:(A)$) coordinate (C) node[above] {$C$}--($(A)!1!-90:(D)$) coordinate (B) node[right] {$B$}--cycle;
- \draw[blue,fill=blue!60,fill opacity=0.5,text opacity=1](O) --($(B)!0.5!(C)$) coordinate (M) node[right] {$M$}-- ($(A)!0.5!(D)$) coordinate (N) node[above] {$N$}--cycle;
- \draw[blue](O)--(B);
- \draw[blue](O)--(C);
- \end{tikzpicture}
复制代码 怎么解决这个问题啊? |
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