# Tag Info

### 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 ...

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