This problem has been polished along with an enhanced test suite.
nice moderate problem
Remove the small words from a list of words.
Numbers with prime factors 2, 3 and 5.
What is Sum Of all elements of Matrix
Square a Number
Calculate the sum of elements of n*n Hilbert matrix.
Select primes from the matrix.
Set x value to each even index of vector y.
Solve expression III
Calculate the values of a polynomial.
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