Structure de document incohérente

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
\documentclass[10pt,french]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage[french]{babel}
\usepackage[a4paper,left=12mm,right=12mm,top=18mm,bottom=18mm]{geometry}
\usepackage[dvipsnames]{xcolor}
%\usepackage{tikz}
\usepackage{graphicx}
%\DeclareGraphicsExtensions{.jpg,.pdf,.png,.tif}
%\usepackage{amssymb}
%\usepackage{amsmath}
%\usepackage{url}
%\usepackage{setspace}
%\usepackage{gensymb}
%\usepackage{mathrsfs}
%\usepackage{chemfig}
%\usepackage{pgfplots}
%\usepackage{siunitx}
%\usepackage{booktabs}
\usepackage{fancyhdr}
\usepackage{lscape}
\usepackage{caption}
\pagestyle{fancy}
%\usepackage{array} % pour améliorer l'aspect des tableaux
%\usepackage{multirow} % pour la fusion de lignes dans un tableau
%\usepackage{colortbl} % pour colorier un tableau
%\usepackage{tabularx}
%\usepackage{chemformula} % Pour l'écriture des formules chimiques
\usepackage[pdftex=true,
hyperindex=true,colorlinks=true,linkcolor=black,filecolor=red,urlcolor=blue,bookmarks=true,bookmarksopenlevel=2,pdfstartview=FitH]{hyperref}
\DecimalMathComma % la virgule dans les nombres.
\fancyhead[R]{}
\fancyhead[C]{}
\fancyhead[R]{\leftmark}
\fancyfoot[L]{}
\fancyfoot[C]{}
\fancyfoot[R]{page \thepage}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX