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\def \HeadingAnswers {\section*{\Large Name: \underline{\hspace{8cm}} \hfill Date: \underline{\hspace{3cm}}} \vspace{-3mm}
{Subtraction of decimals: Answers} \vspace{1pt}\hrule}

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%
\begin{document}
\HeadingAnswers
\vspace{-5mm}
\begin{multicols}{3}
% diagram template
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\vspace{-1pt}% diagram template
\begin{equation}
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\begin{equation}
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\begin{equation}
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\begin{equation}
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\begin{equation}
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\vspace{-1pt}% diagram template
\begin{equation}
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\vspace{-1pt}% diagram template
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\vspace{-1pt}% diagram template
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\vspace{-1pt}% diagram template
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\vspace{-1pt}\columnbreak  % Break column after 30 questions
% diagram template
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\vspace{-1pt}% diagram template
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\vspace{-1pt}
\end{multicols}
\end{document}