Răspuns:
4. { [ (45×4+175)×2-300]•15-75×4}•4-6795=
={[(225+175)•2-300]•15-75×4}•4-6795=
={[400×2-300]•15-75×4}•4-6795=
={[800-300]•15-75×4}•4-6795=
={500×15-75×4}•4-6795=
={7500-75×4}•4-6795=
=(7425×4)•4-6795=
=29700×4-6795=
=118.800-6795=
=112.005
