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=Multiplication Logic Problem= | =Multiplication Logic Problem= | ||
==Problem== | |||
In a certain multiplication problem, if one of the digits is replaced by the letter X, and the rest of the digits are left unspecified, it results in the image below. What were the two numbers that were multiplied? | In a certain multiplication problem, if one of the digits is replaced by the letter X, and the rest of the digits are left unspecified, it results in the image below. What were the two numbers that were multiplied? | ||
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[[Image:MultiplicationLogicProblem.png|350px]] | [[Image:MultiplicationLogicProblem.png|350px]] | ||
== | ==Solution== | ||
Via brute force: | |||
<pre> | <pre> | ||
Revision as of 20:47, 16 November 2019
Multiplication Logic Problem
Problem
In a certain multiplication problem, if one of the digits is replaced by the letter X, and the rest of the digits are left unspecified, it results in the image below. What were the two numbers that were multiplied?
Solution
Via brute force:
8 6 6 2
8 3 4
-------
3 4 6 4 8
2 5 9 8 6
6 9 2 9 6
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7 2 2 4 1 0 8