100520-470*50+13980= 14110+801000:900-7604= 734600:50+454*40= (560-12240:30)+145=

Question

100520-470*50+13980=
14110+801000:900-7604=
734600:50+454*40=
(560-12240:30)+145=

Answer 1

1)=91000
2)=95506
3)=14781000
4)=297