3
votes
How to solve 1 2 3 4 5 = 5 4 3 2 1 (insert five pluses to make it equal)? A thorough solution needed
Here is a way to solve this problem using python:
...
- 131
1
vote
125034 v2.2 / 2023-12-21 Q1(m=6)
Here is a detailled step-by-step construction of the solution:
First step:
0th digit:
Second step:
6th and 5th digits:
Third step:
3rd digit:
Last step:
Solution:
It's not too hard to check ...
- 928
1
vote
How to solve 1 2 3 4 5 = 5 4 3 2 1 (insert five pluses to make it equal)? A thorough solution needed
Another brute-force Python solution, but shorter:
...
- 3,261
1
vote
How to solve 1 2 3 4 5 = 5 4 3 2 1 (insert five pluses to make it equal)? A thorough solution needed
Solution by brute-force search using Python 3.12 itertools
I used itertools to write the following solution enumeration and test script:
...
- 111
1
vote
First digit of 3^2020
I think it is a $6$ due to some mathematical reasons.
$log(3)$ is $0.477121254...$,and this number times $2020$ is $963.7849345$.
The number not caring the first three digits,
(it is about home many ...
- 11
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