Knowing that 123-45-67+89=100, write a function that gives this result for any order of the digits in the input. Otherwise, the function should give 'NaN'.
Find the alphabetic word product
Factorize THIS, buddy
Sum the Infinite Series
Find the largest value in the 3D matrix
Make a random, non-repeating vector.
Sum of a geometric series
Check if is a square
Ratio between sum of primes and sum of factors
Ratio between sum of primer numbers and non-prime numbers
Double the next!
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