Operation Problem
What is the least number of moves that makes the equation true? A move is moving a number to another place, operation signs can not be moved.
28- =52
Inspired by another question called Location, Location, Location
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1 solution
Move the 2 in 28 onto the exponent of 8 (squaring 8). Then move the 3 onto the upper-left corner of the radical sign so it becomes the cube root of 1728. As a result, 64-12=52.