Training Enrollment Network
Early education courses
Mathematics courses
Education and training
Books and materials
Current location -
Training Enrollment Network
-
Books and materials
- There is a new book in the library, with a total of 500 pages. How many pages have the number 2?
There is a new book in the library, with a total of 500 pages. How many pages have the number 2?
***500 pages in total, including 8 digits without 2, 8×8=64 digits without 2, and 4×8 = 3 digits without 2. So there are always * * * digits with 2.
500-8-8×8-4×8×8
=500-8-64-256
= 172.
The page number containing the number 2 is *** 172.
Related articles
Public transportation in Tingjiang Town
Opening of Bush Library 1997
Request for instructions for secondary colleges to apply for funds to purchase school equipment. Is the principal's office or the school finance office written by the main delivery agency?
Catalogue of books on basic techniques of garment cutting
Why can't I transfer big files by reading wifi books?
Office supplies procurement application report
Shanxi province Dingxiang county library
Where is the location of the glory of the king?
What are the book classifications?
Does Hezhou Library have air conditioning?