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求助:如何将两个行间公式写到一块?

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uk702 Posted 2023-1-11 21:48 |Read mode
求助各位达人,如何如图所示, 将两个行间公式写到一块?
Snipaste_2023-01-11_21-42-38.png

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hbghlyj Posted 2023-1-11 22:14
则$\cases{a-2=7^2\\a^2+2a+4=3^b}$或

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明白了,感谢两位老师。  Posted 2023-1-12 08:19

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kuing Posted 2023-1-11 23:30
?与文本排在一起那就不是行间公式,是行内公式啊,用 \$ ... \$ 就好了,里面用 cases 环境或者 aligned 环境都可以。

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明白了,感谢两位老师。  Posted 2023-1-12 08:08

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