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Children's paintings by librarians
(1) The 1 grid in this bar chart represents 10 books.

(2) From the bar chart, there are 75 popular science books in the Book Corner; There are at least 40 story books.

(3)(4) Textbook: 60+ 15=75 (this)

Comics: 55+20=75 (this)

Popular Science Book: 75+ 10=85 (Ben)

Storybook: 40+ 15=55 (Ben)

Based on this, the statistics are as follows:

The complete statistics of book types, teaching AIDS, comic books, popular science books and story books (this book) are as follows:

So the answer is:10; Popular science; 75; Stories; 40.

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