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hi
显示数域$1 \in \mathbb{R}$的时候,我用了mathbb,但是有错误,然后我用了 amssymb包,正常运行。
$1 \in \mathbb{R}$
mathbb
amssymb
The text was updated successfully, but these errors were encountered:
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hi
显示数域
$1 \in \mathbb{R}$
的时候,我用了mathbb
,但是有错误,然后我用了amssymb
包,正常运行。The text was updated successfully, but these errors were encountered: