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Feedback can be provided to students using the feedback environment within a
problem-style environment. The feedback environment takes some optional
arguments (see below) to determine when it is displayed, but by default it is
displayed after any attempt at the problem (regardless of whether that attempt was
correct or incorrect).
For example, consider the following:
Guess my number!
. The answer is .
The previous problem is generated by the code:
\begin{problem}
Guess a number! $\answer{\pi}$
\begin{feedback}
$\pi$. The answer is $\pi$.
\end{feedback}
\end{problem}
It is also worth noting that you can stack feedback environments in the same
question. For example, try the following:
Xronos Examples