28144:3+3(35001-54072:6)-(50000:100-1)
= 28144/3 + 3(35001 - 54072/6) - (50000/100 - 1)
= 3752 + 3(35001 - 9012) - (500 - 1)
= 3752 + 3(25989) - 499
= 3752 + 77967 - 499
= 81912 - 499
= 81413

Therefore, 28144:3+3(35001-54072:6)-(50000:100-1) equals to 81413.