在对齐环境中使用“\hspace*{2em}”进行对齐

Question 1

您可以使用该enumitem包。这为您提供了自定义枚举的强大功能。您可以通过提供enumerate可选参数来自定义垂直和水平间距。请参阅文档http://anorien.csc.warwick.ac.uk/mirrors/CTAN/macros/latex/contrib/enumitem/enumitem.pdf有关详细信息，我认为那里解释得很好。您的代码将如下所示（我认为这也会使您的代码更易读）：

\begin{enumerate}[label=\bfseries \alph*.), itemsep=0.5em]
  \item $ y + \dfrac{4,000}{y} $
  \item $ y + \dfrac{16,000}{y} $
  \item $ y + \dfrac{16,000}{3y} $
  \item $ 3y + \dfrac{8,000}{3y} $
  \item $ 3y + \dfrac{16,000}{3y} $
\end{enumerate}

在此处输入图片描述

编辑：为了完整起见，我提供了一个完整的文件，其中包含两个全局控制行间距和左缩进的变量：

\documentclass{amsart}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{enumitem}


% Change these to globally change inter-line spacing and left indentation
\def\interLine{0.5em}
\def\leftMargin{0cm}

\begin{document}

\noindent {\bf 1.) }$A$, $B$, $C$, $D$, $E$, and $F$ are six points in the Cartesian plane. A line is drawn if, and only if, it contains two of these points. If no line contains three of the given points, how many lines are drawn?
\begin{enumerate}[label=\bfseries \alph*.), itemsep=\interLine, itemindent=\leftMargin]
  \item 15
  \item 18
  \item 20
  \item 30
  \item 36
\end{enumerate}
\vskip0.25in

\noindent {\bf 2.) }A rectangular pen enclosing 4,000 square meters is to be made from split rail fencing along the span of one side of a barn. The pen is to be divided into three smaller, rectangular regions with more split rail fencing. If the side of this barn bordering the pen is $y$ meters long, how many meters of split rail fencing is needed to make the pen?
\begin{enumerate}[label=\bfseries \alph*.), itemsep=\interLine, itemindent=\leftMargin]
  \item $ y + \dfrac{4,000}{y} $
  \item $ y + \dfrac{16,000}{y} $
  \item $ y + \dfrac{16,000}{3y} $
  \item $ 3y + \dfrac{8,000}{3y} $
  \item $ 3y + \dfrac{16,000}{3y} $
\end{enumerate}
\vskip0.25in


\noindent {\bf 3.) }Some bacteria are being cultured in a laboratory. The population of the bacteria in the culture $t$ days after the culture began is modeled by the function
\begin{equation*}
P(t) = 3,000 \left(2^{\frac{t}{4}}\right) .
\end{equation*}
By how many bacteria does the population increase from the end of the $4^{\mathrm{th}}$ day to the end of the $16^{\mathrm{th}}$ day?
\begin{enumerate}[label=\bfseries \alph*.), itemsep=\interLine, itemindent=\leftMargin]
  \item 6,000
  \item 24,000
  \item 36,000
  \item 42,000
  \item 48,000
\end{enumerate}


\end{document}

Answer

您可以使用该enumitem包。这为您提供了自定义枚举的强大功能。您可以通过提供enumerate可选参数来自定义垂直和水平间距。请参阅文档http://anorien.csc.warwick.ac.uk/mirrors/CTAN/macros/latex/contrib/enumitem/enumitem.pdf有关详细信息，我认为那里解释得很好。您的代码将如下所示（我认为这也会使您的代码更易读）：

\begin{enumerate}[label=\bfseries \alph*.), itemsep=0.5em]
  \item $ y + \dfrac{4,000}{y} $
  \item $ y + \dfrac{16,000}{y} $
  \item $ y + \dfrac{16,000}{3y} $
  \item $ 3y + \dfrac{8,000}{3y} $
  \item $ 3y + \dfrac{16,000}{3y} $
\end{enumerate}

在此处输入图片描述

编辑：为了完整起见，我提供了一个完整的文件，其中包含两个全局控制行间距和左缩进的变量：

\documentclass{amsart}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{enumitem}


% Change these to globally change inter-line spacing and left indentation
\def\interLine{0.5em}
\def\leftMargin{0cm}

\begin{document}

\noindent {\bf 1.) }$A$, $B$, $C$, $D$, $E$, and $F$ are six points in the Cartesian plane. A line is drawn if, and only if, it contains two of these points. If no line contains three of the given points, how many lines are drawn?
\begin{enumerate}[label=\bfseries \alph*.), itemsep=\interLine, itemindent=\leftMargin]
  \item 15
  \item 18
  \item 20
  \item 30
  \item 36
\end{enumerate}
\vskip0.25in

\noindent {\bf 2.) }A rectangular pen enclosing 4,000 square meters is to be made from split rail fencing along the span of one side of a barn. The pen is to be divided into three smaller, rectangular regions with more split rail fencing. If the side of this barn bordering the pen is $y$ meters long, how many meters of split rail fencing is needed to make the pen?
\begin{enumerate}[label=\bfseries \alph*.), itemsep=\interLine, itemindent=\leftMargin]
  \item $ y + \dfrac{4,000}{y} $
  \item $ y + \dfrac{16,000}{y} $
  \item $ y + \dfrac{16,000}{3y} $
  \item $ 3y + \dfrac{8,000}{3y} $
  \item $ 3y + \dfrac{16,000}{3y} $
\end{enumerate}
\vskip0.25in


\noindent {\bf 3.) }Some bacteria are being cultured in a laboratory. The population of the bacteria in the culture $t$ days after the culture began is modeled by the function
\begin{equation*}
P(t) = 3,000 \left(2^{\frac{t}{4}}\right) .
\end{equation*}
By how many bacteria does the population increase from the end of the $4^{\mathrm{th}}$ day to the end of the $16^{\mathrm{th}}$ day?
\begin{enumerate}[label=\bfseries \alph*.), itemsep=\interLine, itemindent=\leftMargin]
  \item 6,000
  \item 24,000
  \item 36,000
  \item 42,000
  \item 48,000
\end{enumerate}


\end{document}

Question 2

这是使用 tabularstacks 的替代方法，我已将其包装到宏中\answers。在执行 1/4in 之前，答案之间的间隙设置为 4pt，并在答案字段的上方和下方添加 5pt 缓冲区\vskip。

已编辑，以便可以插入带有的自动标签\>。已重新提供\newquestion，它仅用于开始新问题，问题编号递增。

因此，输入的形式为

\newquestion Text of question?
\answers{
  \> answer1 \\
  \> answer2 \\
  \> ...
}

与答案之间的差距a.)可以用设置\setstacktabulargap{<length>}。默认值是\tabcolsep。

答案默认为数学模式输入，但\stackText在给定之前添加\answers会将默认答案模式更改为文本。可以\stackMath按照的结论将其改回\answers。

\documentclass{amsart}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{tabstackengine}
\stackMath
\makeatletter
\def\answers#1{%
  \renewcommand\>{\textbf{\alph{TAB@stackindex}.)}&}%
  \setstackgap{S}{4pt}%
  \par\noindent\hspace*{2em}\addstackgap[5pt]{\tabularShortstack{rl}{#1}}%
  \vskip0.25in\par\noindent\ignorespaces%
}
\makeatother
\newcounter{Question}
\newcommand\newquestion{\stepcounter{Question}\noindent\textbf{\arabic{Question}.)\ \,}}
%\setstacktabulargap{\tabcolsep}
\begin{document}

\newquestion $A$, $B$, $C$, $D$, $E$, and $F$ are six points in the Cartesian plane. A line is drawn if, and only if, it contains two of these points. If no line contains three of the given points, how many lines are drawn?
\answers{
  \> 15 \\
  \> 18 \\
  \> 20 \\
  \> 30 \\
  \> 36 
}
\newquestion A rectangular pen enclosing 4,000 square meters is to be made from split rail fencing along the span of one side of a barn. The pen is to be divided into three smaller, rectangular regions with more split rail fencing. If the side of this barn bordering the pen is $y$ meters long, how many meters of split rail fencing is needed to make the pen?
\answers{
  \> y + \dfrac{4,000}{y} \\
  \> y + \dfrac{16,000}{y} \\
  \> y + \dfrac{16,000}{3y} \\
  \> 3y + \dfrac{8,000}{3y} \\
  \> 3y + \dfrac{16,000}{3y}
}
\newquestion Some bacteria are being cultured in a laboratory. The population of the bacteria in the culture $t$ days after the culture began is modeled by the function
\begin{equation*}
P(t) = 3,000 \left(2^{\frac{t}{4}}\right) .
\end{equation*}
By how many bacteria does the population increase from the end of the $4^{\mathrm{th}}$ day to the end of the $16^{\mathrm{th}}$ day?
\answers{
  \> 6,000 \\
  \> 24,000 \\
  \> 36,000 \\
  \> 42,000 \\
  \> 48,000
}
\end{document}

在此处输入图片描述

Answer

这是使用 tabularstacks 的替代方法，我已将其包装到宏中\answers。在执行 1/4in 之前，答案之间的间隙设置为 4pt，并在答案字段的上方和下方添加 5pt 缓冲区\vskip。

已编辑，以便可以插入带有的自动标签\>。已重新提供\newquestion，它仅用于开始新问题，问题编号递增。

因此，输入的形式为

\newquestion Text of question?
\answers{
  \> answer1 \\
  \> answer2 \\
  \> ...
}

与答案之间的差距a.)可以用设置\setstacktabulargap{<length>}。默认值是\tabcolsep。

答案默认为数学模式输入，但\stackText在给定之前添加\answers会将默认答案模式更改为文本。可以\stackMath按照的结论将其改回\answers。

\documentclass{amsart}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{tabstackengine}
\stackMath
\makeatletter
\def\answers#1{%
  \renewcommand\>{\textbf{\alph{TAB@stackindex}.)}&}%
  \setstackgap{S}{4pt}%
  \par\noindent\hspace*{2em}\addstackgap[5pt]{\tabularShortstack{rl}{#1}}%
  \vskip0.25in\par\noindent\ignorespaces%
}
\makeatother
\newcounter{Question}
\newcommand\newquestion{\stepcounter{Question}\noindent\textbf{\arabic{Question}.)\ \,}}
%\setstacktabulargap{\tabcolsep}
\begin{document}

\newquestion $A$, $B$, $C$, $D$, $E$, and $F$ are six points in the Cartesian plane. A line is drawn if, and only if, it contains two of these points. If no line contains three of the given points, how many lines are drawn?
\answers{
  \> 15 \\
  \> 18 \\
  \> 20 \\
  \> 30 \\
  \> 36 
}
\newquestion A rectangular pen enclosing 4,000 square meters is to be made from split rail fencing along the span of one side of a barn. The pen is to be divided into three smaller, rectangular regions with more split rail fencing. If the side of this barn bordering the pen is $y$ meters long, how many meters of split rail fencing is needed to make the pen?
\answers{
  \> y + \dfrac{4,000}{y} \\
  \> y + \dfrac{16,000}{y} \\
  \> y + \dfrac{16,000}{3y} \\
  \> 3y + \dfrac{8,000}{3y} \\
  \> 3y + \dfrac{16,000}{3y}
}
\newquestion Some bacteria are being cultured in a laboratory. The population of the bacteria in the culture $t$ days after the culture began is modeled by the function
\begin{equation*}
P(t) = 3,000 \left(2^{\frac{t}{4}}\right) .
\end{equation*}
By how many bacteria does the population increase from the end of the $4^{\mathrm{th}}$ day to the end of the $16^{\mathrm{th}}$ day?
\answers{
  \> 6,000 \\
  \> 24,000 \\
  \> 36,000 \\
  \> 42,000 \\
  \> 48,000
}
\end{document}

在此处输入图片描述

在对齐环境中使用“\hspace*{2em}”进行对齐

答案1

答案2

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