test case #2 is not correct.
The problem description should be change to "and the sum of non-prime numbers up to the greatest prime lower than x".
Thank you for that clarification, @Rafael S.T. Vieira. The problem title and description have been improved, along with added test cases.
Are all the three given point in the same line?
We love vectorized solutions. Problem 1 : remove the row average.
04 - Scalar Equations 2
Draw a 'Z'.
Check if is a square
Get the mean digit
Double the next!
Sum of a geometric series
Say type of roots in quadratic equation
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