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Now, we're going to learn how to
count and arrange. (As if just learning to count wasn't
exciting enough!) How
many ways can we arrange three books on a bookshelf?
Here are
the books:
Well, there's one arrangement.
Let's pound out the others:
That's all of them... There
are 6
ways to arrange three books on a bookshelf.
What about five books?
Dang! I don't want to have
to draw it all out!
Let's FIGURE it out instead.
Continued on the
next
page
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