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.
Return the 3n+1 sequence for n
Solve the Sudoku Row
ベクトル [1 2 3 4 5 6 7 8 9 10] の作成
Convert given decimal number to binary number.
Area of a Square
Say type of roots in quadratic equation
Ratio between sum of primes and sum of factors
Check if is a square
Get the value 100
Alternating 1´s and 0´s in a matrix
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