OEIS link for a description of lunar arithmetic
Simply take the larger digit when adding and take the smaller digit when multiplying.
Find the two-word state names
Solve the Sudoku Row
How long is the longest prime diagonal?
Spot the outlier
find the maximum element of the matrix
Make visible max values
Duration of a trip in minutes
Decrypt a secret message!
Divide elements by sum of elements
replace nan values iteratively.
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