Răspuns :
(173+27):4*[79-25*(9-6)]:10=200:4*(79-25*3):10=200:4*(79-75):10=200:4*4:10=20
(173+27):4x[79-25x(27:3-2x3)]:10
200:4x[54x(9-6)]:10
200:4x(54x3):10
200:4x162:10
50x162:10
8100:10=810