There are 84 books in the corner of Class Three One.

There are 84 literary story books in the book corner of Class Three One, of which the number of story books is twice that of literary books. How many books are there in the book corner?

Solution: Literature Book 84÷(2+ 1)=84÷3=28 (Ben).

The storybook is 28x2=56 (this book).

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