我有一张乳胶表，它无法在桌子的右上方关闭（见图）。不确定问题是什么，但我很感谢你的帮助。
\begin{tabular}{|l|c|c|c|llll|llll|}
\hline
& & Age & Income & \multicolumn{4}{c}{Temperature (F$^\circ$)} & \multicolumn{4}{c}{Trip Miles (miles)} \\
\hline
MSA & Population & Avg & Avg & Med. & Avg & 10\% & 90\% & Med. & Avg & 10\% & 90\% \\
\hline
New York & 9,821,147 & 50 & 106 & 57 & 56 & 32 & 77 & 2.9 & 6.2 & 0.3 & 17.1 \\
Los Angeles & 6,434,177 & 47 & 101 & 67 & 64 & 57 & 69 & 2.9 & 6.0 & 0.4 & 16.4 \\
Chicago & 4,653,591 & 48 & 98 & 52 & 50 & 22 & 73 & 2.9 & 6.1 & 0.4 & 16.9 \\
Dallas & 3,654,402 & 47 & 96 & 67 & 64 & 44 & 85 & 3.6 & 6.9 & 0.6 & 18.4 \\
Washington & 3,320,895 & 46 & 122 & 59 & 57 & 35 & 79 & 2.8 & 5.9 & 0.3 & 16.4 \\
Houston & 3,198,729 & 47 & 102 & 70 & 68 & 52 & 84 & 3.6 & 7.0 & 0.6 & 19.1 \\
Philadelphia & 2,915,178 & 50 & 91 & 57 & 56 & 32 & 78 & 3.4 & 6.3 & 0.4 & 16.5 \\
Miami & 2,912,751 & 52 & 84 & 79 & 77 & 68 & 84 & 3.2 & 5.9 & 0.5 & 15.1 \\
Atlanta & 2,868251 & 47 & 89 & 63 & 61 & 43 & 80 & 4.0 & 7.2 & 0.6 & 18.8 \\
Boston & 2,572,454 & 48 & 102 & 54 & 51 & 29 & 74 & 2.6 & 5.8 & 0.3 & 15.7 \\
San Fran. & 2,371,803 & 47 & 128 & 61 & 58 & 49 & 63 & 2.4 & 5.7 & 0.3 & 15.9 \\
Phoenix & 2,182,537 & 51 & 87 & 75 & 72 & 54 & 93 & 3.5 & 6.9 & 0.6 & 19.1 \\
Seattle & 1,997,545 & 47 & 108 & 51 & 52 & 40 & 68 & 3.2 & 5.9 & 0.4 & 15.4 \\
Detroit & 1,980,465 & 49 & 87 & 52 & 51 & 25 & 74 & 4.0 & 7.3 & 0.6 & 19.9 \\
\hline \hline
\end{tabular}
\end{table}
答案1
您缺少|最后一个多列中的，请将其替换为\multicolumn{4}{c|}{Trip Miles (miles)}。
\documentclass[a4paper]{article}
\begin{document}
\begin{table}
\begin{tabular}{|l|c|c|c|llll|llll|}
\cline{3-12}
\multicolumn{2}{c|}{} & Age & Income & \multicolumn{4}{c}{Temperature (F$^\circ$)} & \multicolumn{4}{c|}{Trip Miles (miles)} \\
\hline
MSA & Population & Avg & Avg & Med. & Avg & 10\% & 90\% & Med. & Avg & 10\% & 90\% \\
\hline
New York & 9,821,147 & 50 & 106 & 57 & 56 & 32 & 77 & 2.9 & 6.2 & 0.3 & 17.1 \\
Los Angeles & 6,434,177 & 47 & 101 & 67 & 64 & 57 & 69 & 2.9 & 6.0 & 0.4 & 16.4 \\
Chicago & 4,653,591 & 48 & 98 & 52 & 50 & 22 & 73 & 2.9 & 6.1 & 0.4 & 16.9 \\
Dallas & 3,654,402 & 47 & 96 & 67 & 64 & 44 & 85 & 3.6 & 6.9 & 0.6 & 18.4 \\
Washington & 3,320,895 & 46 & 122 & 59 & 57 & 35 & 79 & 2.8 & 5.9 & 0.3 & 16.4 \\
Houston & 3,198,729 & 47 & 102 & 70 & 68 & 52 & 84 & 3.6 & 7.0 & 0.6 & 19.1 \\
Philadelphia & 2,915,178 & 50 & 91 & 57 & 56 & 32 & 78 & 3.4 & 6.3 & 0.4 & 16.5 \\
Miami & 2,912,751 & 52 & 84 & 79 & 77 & 68 & 84 & 3.2 & 5.9 & 0.5 & 15.1 \\
Atlanta & 2,868251 & 47 & 89 & 63 & 61 & 43 & 80 & 4.0 & 7.2 & 0.6 & 18.8 \\
Boston & 2,572,454 & 48 & 102 & 54 & 51 & 29 & 74 & 2.6 & 5.8 & 0.3 & 15.7 \\
San Fran. & 2,371,803 & 47 & 128 & 61 & 58 & 49 & 63 & 2.4 & 5.7 & 0.3 & 15.9 \\
Phoenix & 2,182,537 & 51 & 87 & 75 & 72 & 54 & 93 & 3.5 & 6.9 & 0.6 & 19.1 \\
Seattle & 1,997,545 & 47 & 108 & 51 & 52 & 40 & 68 & 3.2 & 5.9 & 0.4 & 15.4 \\
Detroit & 1,980,465 & 49 & 87 & 52 & 51 & 25 & 74 & 4.0 & 7.3 & 0.6 & 19.9 \\
\hline \hline
\end{tabular}
\end{table}
\end{document}