\documentclass{article}
\usepackage{amsmath} % pkg required by EasyLatex
\usepackage{amsfonts} % pkg required by EasyLatex
\usepackage{amssymb} % pkg required by EasyLatex
\usepackage{psfrag} % pkg required by EasyLatex
\usepackage[dvips]{graphicx} % pkg required by EasyLatex

\begin{document}

Dots to ldots changes $\ldots$  to ldots


$1 + 2$ + $\ldots$  + 10

$v_1 v_2\ldots v_n$


\end{document}
