如何对章节的第一页进行编号

Question

\usepackage[french]{babel}
\usepackage{fancyhdr}
\usepackage{tikz, pgf}
\usepackage[utf8]{inputenc}
\usepackage[upright]{fourier}
\usepackage{tkz-graph}
\usepackage{tkz-berge}
\usepackage{graphicx}
\usepackage{amssymb}
\usepackage{amsfonts}
\usepackage{amsmath}

\renewcommand{\sectionmark}[1]{\markboth{#1}{#1}}
\renewcommand{\subsectionmark}[1]{\markright{\thesubsection\ #1}}
\lhead[\fancyplain{}{\bfseries\thepage}]
{\fancyplain{}{\nouppercase{\bfseries\leftmark}}}
\rhead[\fancyplain{}{\nouppercase{\bfseries\rightmark}}]
{\fancyplain{}{\bfseries\thepage}}
\cfoot{}
\pagestyle{fancyplain}
\pagenumbering{arabic}