The numbers 1, 2, 3, 4, 5 and 6 are written at the beginning of a blackboard.
perform the following operation:
She erases two numbers a and b and writes the two numbers a + b and 2 |a - b|
.
Determine the largest natural number k for which Hermione can, after a finite number of steps
that there are k zeros on the blackboard.
#Max. Operations
eager anchor
mint rivetBOT
fallen ermine
Something about the wording at the end seems a bit odd, could you send a photo of the original question as well?