latex中怎么输入方程组(有左括号,左对齐)
(2012-11-04 21:18:53)
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杂谈 |
Case 1: \begin{equation} \left\{ 注意这里是“ \{ " \begin{aligned} a+b&=2\\ a-b&=4\\ \end{aligned} \right. \end{equation} 另外,还有其他方法,参考如下: \begin{equation} \left\{ \begin{array}{l} a+b=2\\ a-b=4\\ \end{array} \right. \end{equation} \begin{equation} \begin{cases} a+b=2\\ a-b=4\\ \end{cases} \end{equation}