\documentclass[b5j,10pt,onecolumn,fleqn]{jarticle}
%\usepackage{bm}
\usepackage{emath}
\pagestyle{empty}
\begin{document}
$\bunsuu{\bm{1}}{\bm{2}}$
$\bunsuu{1}{2}$
{\boldmath$\bunsuu{1}{2}$}
$\bunsuu{1}{2}$
$\boldsymbol{\bunsuu{1}{2}}$
\end{document}

▼関連発言
│
└◆6042:bm.styと\bunsuu [CD] 05/20 03:47
　├◆6043:Re:bm.styと\bunsuu [石原　守] 05/20 06:00
　│└◆6045:Re[2]:bm.styと\bunsuu［解決］ [CD] 05/20 09:32
　└◆6044:Re:bm.styと\bunsuu [tDB] 05/20 09:32
　　└◆6046:Re[2]:bm.styと\bunsuu [CD] 05/20 09:49<-last