Answer
It is suggested that you work through all the homework exercises at least twice before the deadline.
Work Step by Step
See p. 3. "Try working through all the assigned exercises twice before the due date." Then you will know 'em cold!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.