You must check every time the result. The only case the will be checked is the 3rd.
And you cannot use randi on the 4th and 5th test case, and then use a fixed correct answer ;-)
thanks ramon,I fixed
Find the numeric mean of the prime numbers in a matrix.
middleAsColumn: Return all but first and last element as a column vector
sum of first 'n' terms
Volume of a box
Matrix Construction I
Vector to 3-Column Matrix
Dimensions of Spaces
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