查看“︁Template:Oiint/sandbox”︁的源代码

<span class="nowrap">{{{preintegral|}}}<span class="mwe-math-mathml-a11y"><math>\oiint</math></span><span class="mwe-math-fallback-image-inline">[[File:OiintLaTeX.svg|x44px|alt=\oiint|link=]]</span><span style="position:relative; right:8px; top:18px; margin-right:-8px;">{{{intsubscpt|}}}</span><span>{{{integrand|}}}</span></span><noinclude>

{{documentation}}
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