Bài toán que diêm

Bài toán que diêm: Di chuyển 1 que để được phép toán đúng

$$ \tikzset{every node/.style={font=\footnotesize,transform shape}, quediem/.pic={ \path[draw=brown!30!black,fill=yellow!50!white,ultra thick] (0,0)--(-1.5,0)--(-1.5,16)--(0,16)--cycle; \fill [red] (-0.75,16) circle (1);} } \begin{tikzpicture}[scale=1, font=\footnotesize, line join=round, line cap=round, >=stealth] \foreach \x/\y/\z/\t in {0/0/-20/1,-1.4/0/-20/-1, 4/4/-90/1,4/0/-90/1,16/0/0/1,21/0/-20/1,19.6/0/-20/-1,26/4/-90/1,38/0/0/1} \draw (\x,\y) pic[scale=.5,xscale=\t,rotate=\z] {quediem}; \end{tikzpicture}$$

\tikzset{every node/.style={font=\footnotesize,transform shape},
	quediem/.pic={
		\path[draw=brown!30!black,fill=yellow!50!white,ultra thick] (0,0)--(-1.5,0)--(-1.5,16)--(0,16)--cycle;
		\fill [red] (-0.75,16) circle (1);}
	}
\begin{tikzpicture}[scale=1, font=\footnotesize, line join=round, line cap=round, >=stealth]
\foreach \x/\y/\z/\t in {0/0/-20/1,-1.4/0/-20/-1, 4/4/-90/1,4/0/-90/1,16/0/0/1,21/0/-20/1,19.6/0/-20/-1,26/4/-90/1,38/0/0/1}
	\draw (\x,\y) pic[scale=.5,xscale=\t,rotate=\z] {quediem};
\end{tikzpicture}

Huynh Cao Cuong (chia sẻ)