Question

{[(45•5+175)•2--300]•15-75•4}•4-6795=

Answer 1

{[(45×5+175)×2-300]×15-75×4}×4-6795=
={[(225+175)×2-300]×15-300}×4-6795=
=[(400×2-300)×15-300]×4-6795=
=[(800-300)×15-300]×4-6795=
=(500×15-300)×4-6795=
=(7500-300)×4-6795=
=7200×4-6795=
=28800-6795=
=22005

Answer 2

{[(45•5+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=
(7500-300)*4-6796
7200*4-6795=
28800-6795=22005