Is it just me or there are some new tricks I don't know? Cauz' in test 1, the variable A became comment syntax.
oh, i see, it seems some sort of brain-consumed skill involved...
Find the numeric mean of the prime numbers in a matrix.
Create a square matrix of multiples
Sum of first n terms of a harmonic progression
Matrix indexing with two vectors of indices
Getting the row and column location from a matrix
Packing oranges - one layer
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