Răspuns:
=6000-{125 +[300: 100x8+ (21x3+ 63)]}
= 6000 - {125 + [3 x 8 + ( 63 + 63 ) ] }
= 6000 - [ 125 + (24 + 126 ) ]
=6000 - ( 125 + 150 )
=6000 - 275
=5725