8x(75:5)x100-765=? 4x90:6+9999=? 8010-43x(630:9:7)=? (5017-4477):9x80=?

Question

8x(75:5)x100-765=?
4x90:6+9999=?
8010-43x(630:9:7)=?
(5017-4477):9x80=?

Answer 1

11235
0.00600060006
7580
4800

Comments

У нас не так

Answer 2

1) 11235
2) 10059
3) 7580
4) 4800