数学 一个测试帖

$\fcolorbox{red}{white}{\fcolorbox{orange}{white}{\fcolorbox{yellow}{white}{\fcolorbox{green}{white}{\fcolorbox{cyan}{white}{\fcolorbox{blue}{white}{\fcolorbox{plum}{white}{\fcolorbox{red}{white}{\fcolorbox{orange}{white}{\fcolorbox{yellow}{white}{\fcolorbox{green}{white}{\fcolorbox{cyan}{white}{\fcolorbox{blue}{white}{\fcolorbox{plum}{white}{\fcolorbox{red}{white}{\fcolorbox{orange}{white}{\fcolorbox{yellow}{white}{\fcolorbox{green}{white}{\fcolorbox{cyan}{white}{\fcolorbox{blue}{white}{\fcolorbox{plum}{white}{\color{white}{.}}}}}}}}}}}}}}}}}}}}}}$
共1条回复
时间正序