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I need help about tikz (or any other latex tools) on how to draw a counting tree with grow right and then placed on the right (or left) of page that shown on the picture.

enter image description here

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  • Welcome to TeX.SE! What you try so far? Here on site are a lot of examples how to draw tree diagrams ... – Zarko Sep 19 '20 at 19:16
  • Any news? You receive two answer, is any of them acceptable? – Zarko Oct 30 '20 at 15:57
  • Does this answer your question? Custom horizontal tikz tree – Elad Den Feb 28 at 14:07
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This is only about how to draw the counting tree, using the istgame package:

enter image description here

\documentclass{article}
    
\usepackage{istgame}

\begin{document}

%% tree
\begin{istgame}[scale=.7,font=\scriptsize]
\tikzset{oval node/.style={ellipse node,draw=none}}
\setistgrowdirection'{east}
\xtdistance{14mm}{60mm}
\istrooto(A){start}   \istb \istb \istb \endist
\xtdistance{12mm}{20mm}
\istrooto(0)(A-1){0}  \istb \istb \istb \endist
\istrooto(1)(A-2){1}  \istb \istb \istb \endist
\istrooto(2)(A-3){2}  \istb \istb \istb \endist
\xtdistance{10mm}{10mm}
\istrooto(00)(0-1){0}
  \istb{}{0 \quad 2^03^07^0=1}
  \istb{}{1 \quad 2^03^07^1=7}
  \endist
\istrooto(01)(0-2){1}
  \istb{}{0}
  \istb{}{1}
  \endist
\istrooto(02)(0-3){2}
  \istb{}{0}
  \istb{}{1}
  \endist
\istrooto(10)(1-1){0}
  \istb{}{0}
  \istb{}{1}
  \endist
\istrooto(11)(1-2){1}
  \istb{}{0}
  \istb{}{1}
  \endist
\istrooto(12)(1-3){2}
  \istb{}{0}
  \istb{}{1}
  \endist
\istrooto(20)(2-1){0}
  \istb{}{0}
  \istb{}{1}
  \endist
\istrooto(21)(2-2){1}
  \istb{}{0}
  \istb{}{1}
  \endist
\istrooto(22)(2-3){2}
  \istb{}{0 \quad 2^23^27^0=36}
  \istb{}{1 \quad 2^23^27^1=252}
  \endist

\node [anchor=mid] at ([yshift=-1.3cm,xshift=-1.2cm]22) {a};
\node [anchor=mid] at ([yshift=-1.3cm]22) {b};
\node [anchor=mid] at ([yshift=-1.3cm,xshift=1.3cm]22) {c};
\end{istgame}

\end{document}
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  • Thank for your help. I already did this, the only thing that I don't is how to make the letters a b c at the bottom. Now you solve it completely, and I also learn about istgame (this is new for me) package in your solution, thank you very much. I hope I can solve at least one of another users qeustion. – erdos Sep 30 '20 at 23:25
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with forest

\documentclass[margin=3mm]{standalone}
\usepackage{forest}
\usetikzlibrary{positioning}

\begin{document}
    \begin{forest}
for tree = {font=\scriptsize,
            anchor=west,
            math content,
            grow'=0,
            s sep=2mm,
            l sep=7mm
            }
[start
    [0
        [0  [0\quad {2^{0} 3^{0} 7^{0}=1}]
            [1\quad {2^03^07^1=7}]
        ]
        [1  [0] [1]
        ]
        [2  [0] [1]
        ]
    ]
    [1
        [0  [0] [1]
        ]
        [1  [0] [1]
        ]
        [2  [0] [1]
        ]
    ]
    [2, name=aux1
        [0  [0] [1]
        ]
        [1  [0] [1]
        ]
        [2, name=aux2  
            [0\quad {2^{2}3^{2}7^{0}=36}] 
            [1\quad {2^{2}3^{0}7^{1}=252}, name=aux3]
        ]
    ]
]
\node (a) [below,xshift=5pt]   at (aux3.south west)   {c};
\node               at (aux2 |- a)   {b};
\node               at (aux1 |- a)   {a};
   \end{forest}
\end{document}

enter image description here

For placement in your document you need first to show an example (with dummy text) of your document. It should be simple with inserting figures with above image on the right place in it.

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  • Thank for your solution via forest, thank you – erdos Oct 1 '20 at 0:02

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