【Haichuan Teahouse】Brain Series: Do you know what this page number is?
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Will you find a book to read through?
This post was last edited by Wang Genrong on 2021-11-6 09:08. There are 62 pages in total. The total result should be 1953, which is 52 more when it is equal to 2005. The extra one is page 52.
I also calculated this using an increasing sequence, but the algorithm is not very good. I first found the approximate range and then substituted it into the calculation. I’ve almost returned the math to the teacher, and I’m so sweaty that I won’t reply ;P
It’s good if you haven’t forgotten the basic methods.
Yeah, the solution is the same as mine. That's probably the only way to explain it.
I also used the estimation method and chose 61/62/63 for verification.