9.7 times 5.3 = 5 1.4 1 m2 (one * * * area)

5 1.4 1 divided by 0.8 1 = 63.47 blocks.

63.47 is less than 70

A: That's enough.

A library is an institution that collects, sorts out and collects books and materials for people to read and refer to. As early as 3000 BC, libraries appeared. Library has the functions of preserving human cultural heritage, developing information resources and participating in social education. According to the library in the dictionary, the word "library" first appeared in Japanese literature in 1877. However, it first appeared in China literature. When an article about building a simple library in the 62nd issue of Education World was pushed, it was 1894. The earliest provincial library in China is Hubei Library, which was founded in 1904.

According to the archaeological findings, we know that the earliest library in the world was in Mesopotamia Plain. Nineveh Library is famous all over the world. This is the most complete, largest and complete ancient civilization site library excavated today. It was more than 400 years earlier than the famous Alexandria Library (the largest library in ancient times) in Egypt, and because of the particularity of mud-printed books, it was not destroyed by the war like Alexandria Library, and most of them were preserved.

Libraries in China have a long history. It's just that at first we didn't call it a library, a mansion, a pavilion, a view, a stage, a temple, a courtyard, a hall, a study and a building. For example, the Lian Zhai in the Western Zhou Dynasty, Shiqu Pavilion, Dongguan Pavilion and Lantai Pavilion in the Han Dynasty, Guanwen Temple in the Sui Dynasty, Chongwen Academy in the Song Dynasty, Lianshengtang in the Ming Dynasty, and Qige Pavilion in the Four Ku Quanshu in the Qing Dynasty. "Library" is a foreign word, which was introduced into China from Japan at the end of 19.