Mathematics 7775
A total of 3389 digits were needed to number all the sheets of the mathematics textbook. Assume that in a book, every leaf outside the plates is numbered.
How many pages does this textbook have if it is:
a) single-volume
b) two-volume (with both parts having roughly the same number of pages)?
How many pages does this textbook have if it is:
a) single-volume
b) two-volume (with both parts having roughly the same number of pages)?
Correct answer:
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