我正在创建一个文档程序并使用breqn自动将方程式拆分为多行。但是当单个方程式大于一页时，它会失败。
\documentclass[11pt,fleqn]{article}
\usepackage[landscape,margin=.5in]{geometry}
\usepackage{amsmath}
\usepackage{breqn}
\begin{document}
\begin{dmath}
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)} =
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(10)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}+
{RtMinLimitDev5minQty}_{ao, cmsid, gpid, mp, mpid, sl, M(5)}
\end{dmath}
\end{document}