%%%%%%%%%%%%%%%%%%%%%%

PREAMBLE

\usepackage{amsmath}



%%%%%%%%%%%%%%%%%%%%%%


\begin{equation} \label{eq1}
\begin{split}
A & = \frac{\pi r^2}{2} \\
& = \frac{1}{2} \pi r^2
\end{split}
\end{equation}
\begin{align*}
x&=y           \\
2x&=-y        \\
-4 + 5x&=2+y   
\end{align*}


%%%%%%%%%%%%%%%%%%%%%%

PREAMBLE

\usetikzlibrary{automata,positioning,shapes,backgrounds,calc}

\usetikzlibrary{shapes.geometric, arrows}

\tikzstyle{arrow} = [thick,->,>=stealth]


%%%%%%%%%%%%%%%%%%%%%%


\begin{center}
\begin{tikzpicture}[scale=1]
   \tikzstyle{every node}=[draw=black,rectangle, minimum size=10pt,
   align=center]
\node[fill=pink!40] (nat) {Natalia};
\node[fill=pink!40,right=100pt] (jul)  {Julia};
\node[fill=pink!40,right=200pt] (mer)  {Mercedes};
\node[fill=pink!40,right=400pt] (elv)  {Elvira};
\draw[very thick,rounded corners,dashed,black] (-2,-1) rectangle (10,1) {};
\node[draw=none] at (0,2) (nat) {HERMANAS};
\node[above of=jul,above=80pt] (mig) {Miguel};
\node[below of=jul,below=80pt] (fed) {Federico};
\node[above of=elv,above=80pt] (pab) {Pablo};
\node[below of=elv,below=80pt] (emi) {Emilio};
\draw[->] (jul) edge[-] (mig);
\draw[--] (fed) edge[-] (jul);
\draw[->] (elv) edge[-] (pab);
\draw[->] (elv) edge[-] (emi);
\draw [arrow] (elv) -- (emi);
 \end{tikzpicture}
\end{center}




\scalebox{2}{\begin{tikzpicture}

\node[inner sep=0pt] at (0,0)
   {\includegraphics[width=.25\textwidth]{normala_kurba.jpg}};
\end{tikzpicture}}
Babel user information
eu-N Erabiltzaile hau euskaldun zaharra da (euskara du ama hizkuntza).
es-N Esta persona tiene una comprensión nativa del español.
fr-N Cet utilisateur a pour langue maternelle le français.
en-2 This user has intermediate knowledge of English.
Users by language
\usepackage{tikz}
\usetikzlibrary{automata,shapes,backgrounds}
\usepackage{pgfplots}
\usetikzlibrary{positioning}
\usetikzlibrary{decorations.text}
\usetikzlibrary{shapes.callouts}


\begin{tikzpicture}[scale=1]
\draw[white, ultra thick,fill=gray!20,] (0,2) rectangle (2,-2);
 \draw[->, ultra thick] (-0.1,0) -- (6,0)  node[scale=0.9] at (1,-0.5) {1}      node[scale=0.9] at (2,-0.5) {2};
\draw[--,dotted] (2,-2) -- (2,2);
\draw[-stealth] (2,1) -- (0,1)
\end{tikzpicture}


SELECT ?taldeizaro ?taldeizaroLabel ?izenLabel ?irudi WHERE {
?taldeizaro wdt:P31 wd:Q7366. #instance of -- song (may be musical composition, ...
?taldeizaro wdt:P175 wd:Q30149734. #performer -- izaro
?taldeizaro wdt:P361 wd:Q124127153. #part of -- cerodenero(album)
?taldeizaro wdt:P175 ?izen. #performer as a distinct column
?izen wdt:P18 ?irudi. #image of the performer as a distinct column
SERVICE wikibase:label { bd:serviceParam 
wikibase:language "eu". }
}
SELECT ?hombrepoldonostiarra ? 
hombrepoldonostiarraLabel WHERE {
?hombrepoldonostiarra wdt:P31 wd:Q5.
?hombrepoldonostiarra wdt:P21 wd:Q6581097.
?hombrepoldonostiarra wdt:P19 wd:Q10313.
?hombrepoldonostiarra wdt:P106 wd:Q82955.
SERVICE wikibase:label { bd:serviceParam 
wikibase:language "eu". }
}
#jupiter sateliteak
SELECT ?item ?itemLabel 
WHERE 
{
 ?item wdt:P31 wd:Q61702557. 
 SERVICE wikibase:label { bd:serviceParam wikibase:language  "[AUTO_LANGUAGE],eu". } 
}
SELECT ?kale ?kaleLabel WHERE {
?kale wdt:P31 wd:Q79007.
?kale wdt:P131 wd:Q10313.
SERVICE wikibase:label { bd:serviceParam wikibase:language "eu". }
}
SELECT ?person ?personLabel ?jaiolekuLabel ?koordenatuak ?jaiodata ?irudia WHERE  {
 ?person wdt:P21 wd:Q6581072.
 ?person wdt:P19 wd:Q10313.
 ?person wdt:P19 ?jaioleku.
 ?jaioleku wdt:P625 ?koordenatuak.
 ?person wdt:P569 ?jaiodata.
 ?person wdt:P18 ?irudia.
 SERVICE wikibase:label { bd:serviceParam wikibase:language "eu". }
}


Bertsolariak

Donostiar emakumeak


Alkate emakume duten hiriak

Ondarea Tolosa: https://w.wiki/6Ef


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