Write a function that calculates the ratio between the sum of the prime numbers lower or equal than x, and the sum of the non-prime numbers lower than x.
test case #2 is not correct.
Relative ratio of "1" in binary number
Find a Pythagorean triple
What is Sum Of all elements of Matrix
Divisible by 2
Create vector as shown in test cases
Alternating 1´s and 0´s in a matrix
Get the mean digit
Sum of a geometric series
Approximate the inverse tangent by power series
Get the value 100
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