Using all digits from 1 to 9 only once,

how many "simple" equations can you find that total 729?

Example: 143 + 586 = 729 ( each equation worth 1 pt, max 50 pts )

FIFTY solutions found by Albert Frank and Luc Vingerhoets ( worth 50 points ).

TWENTY ONE solutions found by LW Luk ( worth 21 points ).