Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.
give nth decimal place of pi
Right and wrong
Back to basics 9 - Indexed References
07 - Common functions and indexing 4
Solving Quadratic Equations (Version 1)
Find Missing Number
Numbers spiral diagonals
Two functions (to be sure)
Find my secret number
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