what's the answer for (-4+3+1)??? last time I checked, the answer was zero!!!!
-4 + 3 +1=0 right. I don't remember you saying the absolute value in the instructions.
Duplicate each element of a vector.
Insert zeros into vector
Create the following sequence : 0 1 1 4 9 25 64 169 ...
Reverse a matrix
Convert a number to its Roman representation
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