1999 U.S. Championship Puzzles - 2. Rule of 72
Place the numbers from 1 to 9 in the blanks to make the equation correct. Each digit will be used exactly once. Operations are to be performed strictly from left to right. All intermediate results are positive whole numbers.
__ - __ / __ + __ / __ + __ / __ x __ - __ = 72
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