First test case is invalid. Please fix it.
I have fixed it.
and the fourth...
It must be OK now!
radius of a spherical planet
Multiply 2 numbers
MATCH THE STRINGS (2 CHAR) very easy
Cryptography with A Square Matrix : Encoding
Lunar Arithmetic (Multiplication)
Happy Free Wednesday!
Net Present Value of a Stream of Cash Flows
Determine if input is a valid AHP evaluation matrix
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