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FrenchVirtuoso
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- Jan 8, 2023
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This math test was given to pupils in Estonia (8yo)
You have to fill the 9 empty cases using only once the first natural integers (excluding 0) i.e. {1,2,..,9} (you can't use twice the same number) so it satisfies the equation.
You must respect the the proper order of mathematical operations.
I got a satisfying solution in around 5 min, then wondered if other solutions existed, and found 3 other ways to solve it.
I wondered how many solutions existed in total, so I coded a quick bruteforcer in python on an online compiler with my phone, and there are 128 solutions in total !!
Since you all are high IQ on this forum, I think you won't struggle finding a solution
You have to fill the 9 empty cases using only once the first natural integers (excluding 0) i.e. {1,2,..,9} (you can't use twice the same number) so it satisfies the equation.
You must respect the the proper order of mathematical operations.

I got a satisfying solution in around 5 min, then wondered if other solutions existed, and found 3 other ways to solve it.
I wondered how many solutions existed in total, so I coded a quick bruteforcer in python on an online compiler with my phone, and there are 128 solutions in total !!
Since you all are high IQ on this forum, I think you won't struggle finding a solution