Back and Forth Rows
Find the numeric mean of the prime numbers in a matrix.
Add two numbers
Swap two numbers
Is this triangle right-angled?
What is the distance from point P(x,y) to the line Ax + By + C = 0?
How many days does the cat take to climb out of the hole?
Pythagorean perfect squares: find the square of the hypotenuse and the length of the other side
Flip the main diagonal of a matrix
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